20626232431560 has 64 divisors (see below), whose sum is σ = 70718511196800. Its totient is φ = 4714567412736.

The previous prime is 20626232431439. The next prime is 20626232431579. The reversal of 20626232431560 is 6513423262602.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12277518465 + ... + 12277520144.

It is an arithmetic number, because the mean of its divisors is an integer number (1104976737450).

Almost surely, 2^{20626232431560} is an apocalyptic number.

20626232431560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20626232431560 is an abundant number, since it is smaller than the sum of its proper divisors (50092278765240).

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

20626232431560 is a wasteful number, since it uses less digits than its factorization.

20626232431560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24555038630 (or 24555038626 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 20626232431560 in words is "twenty trillion, six hundred twenty-six billion, two hundred thirty-two million, four hundred thirty-one thousand, five hundred sixty".