20456406133713 has 24 divisors (see below), whose sum is σ = 33428201273376. Its totient is φ = 12397821897600.

The previous prime is 20456406133673. The next prime is 20456406133727. The reversal of 20456406133713 is 31733160465402.

20456406133713 is a `hidden beast` number, since 2 + 0 + 4 + 564 + 0 + 6 + 13 + 3 + 71 + 3 = 666.

It is not a de Polignac number, because 20456406133713 - 2³⁰ = 20455332391889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20456406131713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3826485568 + ... + 3826490913.

It is an arithmetic number, because the mean of its divisors is an integer number (1392841719724).

Almost surely, 2^{20456406133713} is an apocalyptic number.

It is an amenable number.

20456406133713 is a deficient number, since it is larger than the sum of its proper divisors (12971795139663).

20456406133713 is an equidigital number, since it uses as much as digits as its factorization.

20456406133713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652976507 (or 7652976495 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 20456406133713 in words is "twenty trillion, four hundred fifty-six billion, four hundred six million, one hundred thirty-three thousand, seven hundred thirteen".