20620464600 has 96 divisors (see below), whose sum is σ = 65007000000. Its totient is φ = 5405581440.

The previous prime is 20620464589. The next prime is 20620464629. The reversal of 20620464600 is 646402602.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255850 + ... + 326649.

It is an arithmetic number, because the mean of its divisors is an integer number (677156250).

Almost surely, 2^20620464600 is an apocalyptic number.

20620464600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20620464600 is an abundant number, since it is smaller than the sum of its proper divisors (44386535400).

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

20620464600 is a wasteful number, since it uses less digits than its factorization.

20620464600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582577 (or 582568 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20620464600 in words is "twenty billion, six hundred twenty million, four hundred sixty-four thousand, six hundred".