20324617662 has 32 divisors (see below), whose sum is σ = 41654108160. Its totient is φ = 6607500480.

The previous prime is 20324617627. The next prime is 20324617673. The reversal of 20324617662 is 26671642302.

It is a self number, because there is not a number n which added to its sum of digits gives 20324617662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869889 + ... + 892947.

It is an arithmetic number, because the mean of its divisors is an integer number (1301690880).

Almost surely, 2^20324617662 is an apocalyptic number.

20324617662 is an abundant number, since it is smaller than the sum of its proper divisors (21329490498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20324617662 is a wasteful number, since it uses less digits than its factorization.

20324617662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26688.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 20324617662 in words is "twenty billion, three hundred twenty-four million, six hundred seventeen thousand, six hundred sixty-two".