Hecho general: 20710 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 20710 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 20710 is an uninteresting number.
Fecha histórica: September 12th is the day in 2008 that the 2008 Chatsworth train collision in Los Angeles between a Metrolink commuter train and a Union Pacific freight train kills 25 people.