20795924867 has 2 divisors, whose sum is σ = 20795924868. Its totient is φ = 20795924866.

The previous prime is 20795924833. The next prime is 20795924869. The reversal of 20795924867 is 76842959702.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20795924867 - 2³⁴ = 3616055683 is a prime.

Together with 20795924869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20795924869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10397962433 + 10397962434.

It is an arithmetic number, because the mean of its divisors is an integer number (10397962434).

Almost surely, 2^20795924867 is an apocalyptic number.

20795924867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20795924867 is an equidigital number, since it uses as much as digits as its factorization.

20795924867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 20795924867 in words is "twenty billion, seven hundred ninety-five million, nine hundred twenty-four thousand, eight hundred sixty-seven".