Fatto generale: 20525 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 20525 is an unremarkable number.
Trivia: 20525 is an uninteresting number.
Data storica: March 11th is the day in 1888 that the Great Blizzard of 1888 begins along the eastern seaboard of the United States, shutting down commerce and killing more than 400.