20117514726570 has 32 divisors (see below), whose sum is σ = 51122155071168. Its totient is φ = 5049101735168.

The previous prime is 20117514726509. The next prime is 20117514726599. The reversal of 20117514726570 is 7562741571102.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19723053144 + ... + 19723054163.

It is an arithmetic number, because the mean of its divisors is an integer number (1597567345974).

Almost surely, 2^{20117514726570} is an apocalyptic number.

20117514726570 is an abundant number, since it is smaller than the sum of its proper divisors (31004640344598).

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

20117514726570 is a wasteful number, since it uses less digits than its factorization.

20117514726570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39446107334.

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 20117514726570 in words is "twenty trillion, one hundred seventeen billion, five hundred fourteen million, seven hundred twenty-six thousand, five hundred seventy".