20622634502 has 24 divisors (see below), whose sum is σ = 31520480616. Its totient is φ = 10119374144.

The previous prime is 20622634489. The next prime is 20622634661. The reversal of 20622634502 is 20543622602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4752878 + ... + 4757214.

It is an arithmetic number, because the mean of its divisors is an integer number (1313353359).

Almost surely, 2^20622634502 is an apocalyptic number.

20622634502 is a deficient number, since it is larger than the sum of its proper divisors (10897846114).

20622634502 is an equidigital number, since it uses as much as digits as its factorization.

20622634502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140 (or 5081 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 20622634502 in words is "twenty billion, six hundred twenty-two million, six hundred thirty-four thousand, five hundred two".