57180900020 has 24 divisors (see below), whose sum is σ = 120996535968. Its totient is φ = 22697760800.

The previous prime is 57180900013. The next prime is 57180900043. The reversal of 57180900020 is 2000908175.

57180900020 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 57180900020.

It is a congruent number.

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, 10909766 + ... + 10915005.

It is an arithmetic number, because the mean of its divisors is an integer number (5041522332).

Almost surely, 2^57180900020 is an apocalyptic number.

It is an amenable number.

57180900020 is an abundant number, since it is smaller than the sum of its proper divisors (63815635948).

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

57180900020 is a wasteful number, since it uses less digits than its factorization.

57180900020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21824911 (or 21824909 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 57180900020 in words is "fifty-seven billion, one hundred eighty million, nine hundred thousand, twenty".