UNITED STATES                         OMB APPROVAL
               SECURITIES AND EXCHANGE COMMISSION          OMB NUMBER: 3235-0058
                     Washington, D.C. 20549                Expires: May 31, 1997
                                                           Estimated average
                                                           burden hours per
                           FORM 12B-25                     response.........2.50

                   NOTIFICATION OF LATE FILING                SEC FILE NUMBER
                                                                  0-13408
                                                                CUSIP NUMBER


(Check One):      XForm 10-K  Form 20-F   Form 11-K   Form 10-Q   Form N-SAR

            [  ]  Transition Report on Form 10-K
            [  ]  Transition Report on Form 20-F
            [  ]  Transition Report on Form 11-K
            [  ]  Transition Report on Form 10-Q
            [  ]  Transition Report on Form N-SAR
                  For the Transition Period Ended

   Read Instruction (on back page) Before Preparing Form.Please Print or Type.
Nothing  in this form  shall be  construed  to imply  that the  Commissions  has
verified any information contained herein.

If the notification  relates to a portion of the filing checked above,  identify
the item(s) to which the notification relates:

PART I - REGISTRANT INFORMATION

Century Properties Fund XX (A California Limited Partnership)
Full Name of Registrant
N/A
Former Name if Applicable
55 Beattie Place, PO Box 1089
Address of Principal Executive Office (Street and Number)
Greenville, SC 29602
City, State and Zip Code

PART II - RULES 12b-25(b) AND (c)

If the subject report could not be filed without  unreasonable effort or expense
and the registrant seeks relief pursuant to Rule 12b-25(b), the following should
be completed. (Check box if appropriate).

      (a)   The reasons  described in reasonable detail in Part III of this form
            could not be eliminated without unreasonable effort or expense;
      (b)   The subject annual report,  semi-annual report, transition report on
            Form 10-K, Form 20-F, 11-K or Form N-SAR, or portion  thereof,  will
            be filed on or before  the  fifteenth  calendar  day  following  the
            prescribed due date; or the subject
x           quarterly  report of transition  report on Form 10-Q, or portion
            thereof will be filed on or before the fifth calendar day
            following the prescribed due date; and
      (c)   The accountant's statement or other exhibit required by Rule 12b-25
            (c) has been attached if applicable.

PART III - NARRATIVE

State below in  reasonable  detail the reasons  why the Form 10-K,  11-K,  10-Q,
N-SAR, or the transition  report or portion  thereof,  could not be filed within
the prescribed time period.

Additional   time  is  needed  to  file  a  more  accurate   disclosure  of  the
Partnership's operations for the year ended December 31, 2003.

PART IV - OTHER INFORMATION

(1)  Name  and  telephone  number  of  person  to  contact  in  regard  to  this
notification.

         Aimee Heard                      864                      239-1603
           (Name)                     (Area Code)             (Telephone Number)

(2)   Have all other periodic  reports required under Section 13 or 15(d) of the
      Securities  Exchange Act of 1934 or section 30 of the  Investment  Company
      Act of 1940 during the preceding 12 months or for such shorter period that
      the registrant  was required to file such report(s) been filed?  If answer
      is no, identify report (s) X Yes No

(3)   Is it  anticipated  that any  significant  change in results of operations
      from the  corresponding  period for the last fiscal year will be reflected
      by the earnings statements to be included in the subject report or portion
      thereof? Yes X No

      If so, attach an explanation of the anticipated  change,  both narratively
      and  quantitatively,   and,  if  appropriate,  state  the  reasons  why  a
      reasonable estimate of the results cannot be made.

                             Century Properties Fund XX
                (Name of Registrant as Specified in Charter)
has caused this notification to be signed on its behalf by the undersigned
hereunto duly authorized.

Date: March 31, 2004                        By:/s/Martha L. Long
                                            Martha L. Long,
                                            Senior Vice President

INSTRUCTION: The form may be signed by an executive officer of the registrant or
by any other duly  authorized  representative.  The name and title of the person
signing  the form  shall  be typed or  printed  beneath  the  signature.  If the
statement is signed on behalf of the registrant by an authorized  representative
(other than an executive officer), evidence of the representative's authority to
sign on behalf of the registrant shall be filed with the form.

                                    ATTENTION
   Intentional misstatements or omissions of fact constitute Federal Criminal
                        Violations (See 18 U.S.C. 1001).

                              GENERAL INSTRUCTIONS

1. This form is required by Rule 12b-25 (17 CFR 240.12b-25) of the General Rules
   and Regulations under the Securities Exchange Act of 1934.

2. One signed  original and four  conformed  copies of this form and  amendments
   thereto  must be  completed  and  filed  with  the  Securities  and  Exchange
   Commission,  Washington,  D.C.  20549,  in  accordance  with  Rule 0-3 of the
   General Rules and Regulations under the Act. The information  contained in or
   filed with the form will be made a matter of public record in the  Commission
   files.

3. A manually signed copy of the form and amendments thereto shall be filed with
   each  national  securities  exchange on which any class of  securities of the
   registrant is registered.

4. Amendments  to the  notifications  must also be filed on form 12b-25 but need
   not restate information that has been correctly furnished.  The form shall be
   clearly identified as an amended notification.

5. Electronic Filers. This form shall not be used by electronic filers unable to
   timely file a report solely due to electronic difficulties.  Filers unable to
   submit a report  within the time period  prescribed  due to  difficulties  in
   electronic  filing  should  comply  with  either  Rule  201  or  Rule  202 of
   Regulation  S-T  (ss.232.201  or  ss.232.202 of this chapter) or apply for an
   adjustment  in  filing  date  pursuant  to  Rule  13(b)  of  Regulation   S-T
   (ss.232.13(b) of this chapter).