Fait général: 20787 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20787 is a boring number.
Culture générale: 20787 is an unremarkable number.
Date historique: November 28th is the day in 1987 that South African Airways Flight 295 crashes into the Indian Ocean, killing all 159 people on-board.