20413223026664 has 16 divisors (see below), whose sum is σ = 41219008034820. Its totient is φ = 9421487550720.

The previous prime is 20413223026607. The next prime is 20413223026709. The reversal of 20413223026664 is 46662032231402.

It can be written as a sum of positive squares in 2 ways, for example, as 20232633724900 + 180589301764 = 4498070^2 + 424958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98140495217 + ... + 98140495424.

Almost surely, 2^{20413223026664} is an apocalyptic number.

It is an amenable number.

20413223026664 is an abundant number, since it is smaller than the sum of its proper divisors (20805785008156).

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

20413223026664 is a wasteful number, since it uses less digits than its factorization.

20413223026664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196280990660 (or 196280990656 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 20413223026664 in words is "twenty trillion, four hundred thirteen billion, two hundred twenty-three million, twenty-six thousand, six hundred sixty-four".