20456036575023 has 32 divisors (see below), whose sum is σ = 33896716545024. Its totient is φ = 10704226263552.

The previous prime is 20456036575021. The next prime is 20456036575067. The reversal of 20456036575023 is 32057563065402.

It is not a de Polignac number, because 20456036575023 - 2¹ = 20456036575021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20456036575021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774308715 + ... + 774335132.

It is an arithmetic number, because the mean of its divisors is an integer number (1059272392032).

Almost surely, 2^{20456036575023} is an apocalyptic number.

20456036575023 is a deficient number, since it is larger than the sum of its proper divisors (13440679970001).

20456036575023 is a wasteful number, since it uses less digits than its factorization.

20456036575023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548643911.

The product of its (nonzero) digits is 4536000, while the sum is 48.

The spelling of 20456036575023 in words is "twenty trillion, four hundred fifty-six billion, thirty-six million, five hundred seventy-five thousand, twenty-three".