20116755457474 has 64 divisors (see below), whose sum is σ = 34463265129216. Its totient is φ = 8724432789504.

The previous prime is 20116755457433. The next prime is 20116755457483. The reversal of 20116755457474 is 47475455761102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1254701362 + ... + 1254717394.

It is an arithmetic number, because the mean of its divisors is an integer number (538488517644).

Almost surely, 2^{20116755457474} is an apocalyptic number.

20116755457474 is a deficient number, since it is larger than the sum of its proper divisors (14346509671742).

20116755457474 is a wasteful number, since it uses less digits than its factorization.

20116755457474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20459.

The product of its (nonzero) digits is 32928000, while the sum is 58.

The spelling of 20116755457474 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-five million, four hundred fifty-seven thousand, four hundred seventy-four".