Fait général: 20195 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20195 is a boring number.
Culture générale: 20195 is an unremarkable number.
Date historique: April 16th is the day in 1521 that Martin Luther's first appearance before the Diet of Worms to be examined by the Holy Roman Emperor Charles V and the other estates of the empire.