20560077053757 has 24 divisors (see below), whose sum is σ = 29951599418624. Its totient is φ = 13589998085664.

The previous prime is 20560077053741. The next prime is 20560077053797. The reversal of 20560077053757 is 75735077006502.

It is a happy number.

20560077053757 is a `hidden beast` number, since 2 + 0 + 56 + 0 + 0 + 7 + 7 + 0 + 537 + 57 = 666.

It is not a de Polignac number, because 20560077053757 - 2⁴ = 20560077053741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20560077053797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15059233 + ... + 16367670.

Almost surely, 2^{20560077053757} is an apocalyptic number.

It is an amenable number.

20560077053757 is a deficient number, since it is larger than the sum of its proper divisors (9391522364867).

20560077053757 is a wasteful number, since it uses less digits than its factorization.

20560077053757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31427529 (or 31427526 counting only the distinct ones).

The product of its (nonzero) digits is 10804500, while the sum is 54.

The spelling of 20560077053757 in words is "twenty trillion, five hundred sixty billion, seventy-seven million, fifty-three thousand, seven hundred fifty-seven".