20342140967 has 2 divisors, whose sum is σ = 20342140968. Its totient is φ = 20342140966.

The previous prime is 20342140937. The next prime is 20342141047. The reversal of 20342140967 is 76904124302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20342140967 - 2⁸ = 20342140711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20342140967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20342140937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10171070483 + 10171070484.

It is an arithmetic number, because the mean of its divisors is an integer number (10171070484).

Almost surely, 2^20342140967 is an apocalyptic number.

20342140967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20342140967 is an equidigital number, since it uses as much as digits as its factorization.

20342140967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 20342140967 in words is "twenty billion, three hundred forty-two million, one hundred forty thousand, nine hundred sixty-seven".