20312082715 has 16 divisors (see below), whose sum is σ = 27166626720. Its totient is φ = 14488865280.

The previous prime is 20312082697. The next prime is 20312082719. The reversal of 20312082715 is 51728021302.

It is not a de Polignac number, because 20312082715 - 2²⁹ = 19775211803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20312082719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6286956 + ... + 6290185.

It is an arithmetic number, because the mean of its divisors is an integer number (1697914170).

Almost surely, 2^20312082715 is an apocalyptic number.

20312082715 is a deficient number, since it is larger than the sum of its proper divisors (6854544005).

20312082715 is a wasteful number, since it uses less digits than its factorization.

20312082715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12577182.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 20312082715 in words is "twenty billion, three hundred twelve million, eighty-two thousand, seven hundred fifteen".