20622662231 has 2 divisors, whose sum is σ = 20622662232. Its totient is φ = 20622662230.

The previous prime is 20622662183. The next prime is 20622662233. The reversal of 20622662231 is 13226622602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20622662231 - 2³⁴ = 3442793047 is a prime.

It is a super-2 number, since 2×20622662231² (a number of 21 digits) contains 22 as substring.

Together with 20622662233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20622662233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10311331115 + 10311331116.

It is an arithmetic number, because the mean of its divisors is an integer number (10311331116).

Almost surely, 2^20622662231 is an apocalyptic number.

20622662231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20622662231 is an equidigital number, since it uses as much as digits as its factorization.

20622662231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 20622662231 in words is "twenty billion, six hundred twenty-two million, six hundred sixty-two thousand, two hundred thirty-one".