20368501700 has 18 divisors (see below), whose sum is σ = 44199648906. Its totient is φ = 8147400640.

The previous prime is 20368501697. The next prime is 20368501711. The reversal of 20368501700 is 710586302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6945888964 + 13422612736 = 83342^2 + 115856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101842409 + ... + 101842608.

Almost surely, 2^20368501700 is an apocalyptic number.

20368501700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20368501700 is an abundant number, since it is smaller than the sum of its proper divisors (23831147206).

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

20368501700 is a wasteful number, since it uses less digits than its factorization.

20368501700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203685031 (or 203685024 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 20368501700 in words is "twenty billion, three hundred sixty-eight million, five hundred one thousand, seven hundred".