2057120835620 has 12 divisors (see below), whose sum is σ = 4319953754844. Its totient is φ = 822848334240.

The previous prime is 2057120835617. The next prime is 2057120835629. The reversal of 2057120835620 is 265380217502.

It can be written as a sum of positive squares in 2 ways, for example, as 489857210404 + 1567263625216 = 699898^2 + 1251904^2 .

It is a super-2 number, since 2×2057120835620² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2057120835629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51428020871 + ... + 51428020910.

It is an arithmetic number, because the mean of its divisors is an integer number (359996146237).

Almost surely, 2^{2057120835620} is an apocalyptic number.

2057120835620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2057120835620 is an abundant number, since it is smaller than the sum of its proper divisors (2262832919224).

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

2057120835620 is a wasteful number, since it uses less digits than its factorization.

2057120835620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102856041790 (or 102856041788 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 2057120835620 in words is "two trillion, fifty-seven billion, one hundred twenty million, eight hundred thirty-five thousand, six hundred twenty".