Fait mathématique: 20107 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 20107 is an uninteresting number.
Date historique: January 18th is the day in 2007 that the strongest storm in the United Kingdom in 17 years kills 14 people, Germany sees the worst storm since 1999 with 13 deaths.