20631292882 has 16 divisors (see below), whose sum is σ = 32305340160. Its totient is φ = 9863204032.

The previous prime is 20631292879. The next prime is 20631292883. The reversal of 20631292882 is 28829213602.

It is not an unprimeable number, because it can be changed into a prime (20631292883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28794 + ... + 205162.

It is an arithmetic number, because the mean of its divisors is an integer number (2019083760).

Almost surely, 2^20631292882 is an apocalyptic number.

20631292882 is a deficient number, since it is larger than the sum of its proper divisors (11674047278).

20631292882 is a wasteful number, since it uses less digits than its factorization.

20631292882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178937.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 20631292882 in words is "twenty billion, six hundred thirty-one million, two hundred ninety-two thousand, eight hundred eighty-two".