Fatto generale: 4620 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4620 is the largest order of a permutation of 30 or 31 elements.
Trivia: 4620 is a boring number.
Data storica: August 24th is the day in 1989 that Cincinnati Reds manager Pete Rose is banned from baseball for gambling by Commissioner A. Bartlett Giamatti.