20675064700 has 36 divisors (see below), whose sum is σ = 47226204760. Its totient is φ = 7834760640.

The previous prime is 20675064689. The next prime is 20675064749. The reversal of 20675064700 is 746057602.

It is a self number, because there is not a number n which added to its sum of digits gives 20675064700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5438907 + ... + 5442706.

Almost surely, 2^20675064700 is an apocalyptic number.

20675064700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20675064700 is an abundant number, since it is smaller than the sum of its proper divisors (26551140060).

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

20675064700 is a wasteful number, since it uses less digits than its factorization.

20675064700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881646 (or 10881639 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The spelling of 20675064700 in words is "twenty billion, six hundred seventy-five million, sixty-four thousand, seven hundred".