20877570363204 has 27 divisors (see below), whose sum is σ = 52773927717693. Its totient is φ = 6959180982672.

The previous prime is 20877570363193. The next prime is 20877570363239. The reversal of 20877570363204 is 40236307577802.

The square root of 20877570363204 is 4569198.

It is a perfect power (a square), and thus also a powerful number.

20877570363204 is a `hidden beast` number, since 2 + 0 + 8 + 7 + 7 + 5 + 70 + 363 + 204 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12524591780100 + 8352978583104 = 3539010^2 + 2890152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27034422 + ... + 27795954.

Almost surely, 2^{20877570363204} is an apocalyptic number.

20877570363204 is the 4569198-th square number.

It is an amenable number.

20877570363204 is an abundant number, since it is smaller than the sum of its proper divisors (31896357354489).

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

20877570363204 is an frugal number, since it uses more digits than its factorization.

20877570363204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523076 (or 761538 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 54.

The spelling of 20877570363204 in words is "twenty trillion, eight hundred seventy-seven billion, five hundred seventy million, three hundred sixty-three thousand, two hundred four".