20051622467 has 2 divisors, whose sum is σ = 20051622468. Its totient is φ = 20051622466.

The previous prime is 20051622427. The next prime is 20051622499. The reversal of 20051622467 is 76422615002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20051622467 - 2⁸ = 20051622211 is a prime.

It is not a weakly prime, because it can be changed into another prime (20051622427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025811233 + 10025811234.

It is an arithmetic number, because the mean of its divisors is an integer number (10025811234).

Almost surely, 2^20051622467 is an apocalyptic number.

20051622467 is a deficient number, since it is larger than the sum of its proper divisors (1).

20051622467 is an equidigital number, since it uses as much as digits as its factorization.

20051622467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 20051622467 in words is "twenty billion, fifty-one million, six hundred twenty-two thousand, four hundred sixty-seven".