255373220620 has 48 divisors (see below), whose sum is σ = 625403822400. Its totient is φ = 87556530432.

The previous prime is 255373220563. The next prime is 255373220651. The reversal of 255373220620 is 26022373552.

It is a self number, because there is not a number n which added to its sum of digits gives 255373220620.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18606349 + ... + 18620068.

It is an arithmetic number, because the mean of its divisors is an integer number (13029246300).

Almost surely, 2^255373220620 is an apocalyptic number.

255373220620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255373220620 is an abundant number, since it is smaller than the sum of its proper divisors (370030601780).

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

255373220620 is a wasteful number, since it uses less digits than its factorization.

255373220620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37226447 (or 37226431 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 255373220620 in words is "two hundred fifty-five billion, three hundred seventy-three million, two hundred twenty thousand, six hundred twenty".