20117037760755 has 48 divisors (see below), whose sum is σ = 36369037345536. Its totient is φ = 9473173607040.

The previous prime is 20117037760621. The next prime is 20117037760769. The reversal of 20117037760755 is 55706773071102.

It is not a de Polignac number, because 20117037760755 - 2¹⁶ = 20117037695219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20117037760698 and 20117037760707.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172457241 + ... + 172573850.

It is an arithmetic number, because the mean of its divisors is an integer number (757688278032).

Almost surely, 2^{20117037760755} is an apocalyptic number.

20117037760755 is a deficient number, since it is larger than the sum of its proper divisors (16251999584781).

20117037760755 is a wasteful number, since it uses less digits than its factorization.

20117037760755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345031148 (or 345031135 counting only the distinct ones).

The product of its (nonzero) digits is 2160900, while the sum is 51.

The spelling of 20117037760755 in words is "twenty trillion, one hundred seventeen billion, thirty-seven million, seven hundred sixty thousand, seven hundred fifty-five".