20342859967 has 2 divisors, whose sum is σ = 20342859968. Its totient is φ = 20342859966.

The previous prime is 20342859961. The next prime is 20342860039. The reversal of 20342859967 is 76995824302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20342859967 - 2³¹ = 18195376319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20342859961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10171429983 + 10171429984.

It is an arithmetic number, because the mean of its divisors is an integer number (10171429984).

Almost surely, 2^20342859967 is an apocalyptic number.

20342859967 is a deficient number, since it is larger than the sum of its proper divisors (1).

20342859967 is an equidigital number, since it uses as much as digits as its factorization.

20342859967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 20342859967 in words is "twenty billion, three hundred forty-two million, eight hundred fifty-nine thousand, nine hundred sixty-seven".