20312333039 has 2 divisors, whose sum is σ = 20312333040. Its totient is φ = 20312333038.

The previous prime is 20312333009. The next prime is 20312333047. The reversal of 20312333039 is 93033321302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20312333039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20312333009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156166519 + 10156166520.

It is an arithmetic number, because the mean of its divisors is an integer number (10156166520).

Almost surely, 2^20312333039 is an apocalyptic number.

20312333039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312333039 is an equidigital number, since it uses as much as digits as its factorization.

20312333039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 29.

The spelling of 20312333039 in words is "twenty billion, three hundred twelve million, three hundred thirty-three thousand, thirty-nine".