20362631464 has 32 divisors (see below), whose sum is σ = 43923196800. Its totient is φ = 8669044800.

The previous prime is 20362631459. The next prime is 20362631477. The reversal of 20362631464 is 46413626302.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195579 + ... + 1212490.

It is an arithmetic number, because the mean of its divisors is an integer number (1372599900).

Almost surely, 2^20362631464 is an apocalyptic number.

It is an amenable number.

20362631464 is an abundant number, since it is smaller than the sum of its proper divisors (23560565336).

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

20362631464 is a wasteful number, since it uses less digits than its factorization.

20362631464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408233 (or 2408229 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 20362631464 in words is "twenty billion, three hundred sixty-two million, six hundred thirty-one thousand, four hundred sixty-four".