20344654416264 has 16 divisors (see below), whose sum is σ = 50861636040720. Its totient is φ = 6781551472080.

The previous prime is 20344654416223. The next prime is 20344654416301. The reversal of 20344654416264 is 46261445644302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423846966982 + ... + 423846967029.

It is an arithmetic number, because the mean of its divisors is an integer number (3178852252545).

Almost surely, 2^{20344654416264} is an apocalyptic number.

20344654416264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20344654416264 is an abundant number, since it is smaller than the sum of its proper divisors (30516981624456).

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

20344654416264 is a wasteful number, since it uses less digits than its factorization.

20344654416264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847693934020 (or 847693934016 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 51.

The spelling of 20344654416264 in words is "twenty trillion, three hundred forty-four billion, six hundred fifty-four million, four hundred sixteen thousand, two hundred sixty-four".