20512602339 has 16 divisors (see below), whose sum is σ = 28961929728. Its totient is φ = 12869336192.

The previous prime is 20512602317. The next prime is 20512602361. The reversal of 20512602339 is 93320621502.

It is an interprime number because it is at equal distance from previous prime (20512602317) and next prime (20512602361).

It is not a de Polignac number, because 20512602339 - 2¹³ = 20512594147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20512602379) 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, 803794 + ... + 828920.

It is an arithmetic number, because the mean of its divisors is an integer number (1810120608).

Almost surely, 2^20512602339 is an apocalyptic number.

20512602339 is a deficient number, since it is larger than the sum of its proper divisors (8449327389).

20512602339 is a wasteful number, since it uses less digits than its factorization.

20512602339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41154.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 20512602339 in words is "twenty billion, five hundred twelve million, six hundred two thousand, three hundred thirty-nine".