20346456623264 has 24 divisors (see below), whose sum is σ = 40199638403988. Its totient is φ = 10137024647680.

The previous prime is 20346456623243. The next prime is 20346456623287. The reversal of 20346456623264 is 46232665464302.

20346456623264 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20256228478864 + 90228144400 = 4500692^2 + 300380^2 .

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, 1131355367 + ... + 1131373350.

Almost surely, 2^{20346456623264} is an apocalyptic number.

It is an amenable number.

20346456623264 is a deficient number, since it is larger than the sum of its proper divisors (19853181780724).

20346456623264 is a wasteful number, since it uses less digits than its factorization.

20346456623264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262729008 (or 2262729000 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 53.

The spelling of 20346456623264 in words is "twenty trillion, three hundred forty-six billion, four hundred fifty-six million, six hundred twenty-three thousand, two hundred sixty-four".