20413322453631 has 64 divisors (see below), whose sum is σ = 29552706911232. Its totient is φ = 12485413005312.

The previous prime is 20413322453609. The next prime is 20413322453651. The reversal of 20413322453631 is 13635422331402.

It is not a de Polignac number, because 20413322453631 - 2⁵ = 20413322453599 is a prime.

It is a super-2 number, since 2×20413322453631² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20413322453631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413322453651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 712169406 + ... + 712198068.

It is an arithmetic number, because the mean of its divisors is an integer number (461761045488).

Almost surely, 2^{20413322453631} is an apocalyptic number.

20413322453631 is a deficient number, since it is larger than the sum of its proper divisors (9139384457601).

20413322453631 is a wasteful number, since it uses less digits than its factorization.

20413322453631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30432.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 20413322453631 in words is "twenty trillion, four hundred thirteen billion, three hundred twenty-two million, four hundred fifty-three thousand, six hundred thirty-one".