620913257210 has 32 divisors (see below), whose sum is σ = 1154897961984. Its totient is φ = 240353403600.

The previous prime is 620913257119. The next prime is 620913257273. The reversal of 620913257210 is 12752319026.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744206 + ... + 1340025.

It is an arithmetic number, because the mean of its divisors is an integer number (36090561312).

Almost surely, 2^620913257210 is an apocalyptic number.

620913257210 is a deficient number, since it is larger than the sum of its proper divisors (533984704774).

620913257210 is an equidigital number, since it uses as much as digits as its factorization.

620913257210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084331 (or 2084269 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 620913257210 in words is "six hundred twenty billion, nine hundred thirteen million, two hundred fifty-seven thousand, two hundred ten".