20160502339 has 2 divisors, whose sum is σ = 20160502340. Its totient is φ = 20160502338.

The previous prime is 20160502331. The next prime is 20160502393. The reversal of 20160502339 is 93320506102.

Together with next prime (20160502393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20160502339 - 2³ = 20160502331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20160502339.

It is not a weakly prime, because it can be changed into another prime (20160502331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10080251169 + 10080251170.

It is an arithmetic number, because the mean of its divisors is an integer number (10080251170).

Almost surely, 2^20160502339 is an apocalyptic number.

20160502339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20160502339 is an equidigital number, since it uses as much as digits as its factorization.

20160502339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 20160502339 in words is "twenty billion, one hundred sixty million, five hundred two thousand, three hundred thirty-nine".