Fait général: 20207 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 20207 is an unremarkable number.
Culture générale: 20207 is a boring number.
Date historique: April 28th is the day in 1945 that Benito Mussolini and his mistress Clara Petacci are executed by a firing squad consisting of members of the Italian resistance movement.