20302927931 has 32 divisors (see below), whose sum is σ = 24909631488. Its totient is φ = 16283456640.

The previous prime is 20302927921. The next prime is 20302927951. The reversal of 20302927931 is 13972920302.

It is not a de Polignac number, because 20302927931 - 2¹⁴ = 20302911547 is a prime.

It is a super-4 number, since 4×20302927931⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (20302927921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7257425 + ... + 7260221.

It is an arithmetic number, because the mean of its divisors is an integer number (778425984).

Almost surely, 2^20302927931 is an apocalyptic number.

20302927931 is a deficient number, since it is larger than the sum of its proper divisors (4606703557).

20302927931 is a wasteful number, since it uses less digits than its factorization.

20302927931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 20302927931 in words is "twenty billion, three hundred two million, nine hundred twenty-seven thousand, nine hundred thirty-one".