620642013004452 has 24 divisors (see below), whose sum is σ = 1457755191696832. Its totient is φ = 205510600332000.

The previous prime is 620642013004399. The next prime is 620642013004469. The reversal of 620642013004452 is 254400310246026.

It is a happy number.

620642013004452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 620642013004452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171258831799 + ... + 171258835422.

Almost surely, 2^{620642013004452} is an apocalyptic number.

It is an amenable number.

620642013004452 is an abundant number, since it is smaller than the sum of its proper divisors (837113178692380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620642013004452 is a wasteful number, since it uses less digits than its factorization.

620642013004452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342517667379 (or 342517667377 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 620642013004452 in words is "six hundred twenty trillion, six hundred forty-two billion, thirteen million, four thousand, four hundred fifty-two".