20734160339 has 2 divisors, whose sum is σ = 20734160340. Its totient is φ = 20734160338.

The previous prime is 20734160303. The next prime is 20734160371. The reversal of 20734160339 is 93306143702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20734160339 - 2²⁸ = 20465724883 is a prime.

It is not a weakly prime, because it can be changed into another prime (20734160399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10367080169 + 10367080170.

It is an arithmetic number, because the mean of its divisors is an integer number (10367080170).

Almost surely, 2^20734160339 is an apocalyptic number.

20734160339 is a deficient number, since it is larger than the sum of its proper divisors (1).

20734160339 is an equidigital number, since it uses as much as digits as its factorization.

20734160339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 20734160339 in words is "twenty billion, seven hundred thirty-four million, one hundred sixty thousand, three hundred thirty-nine".