20430713644200 has 144 divisors (see below), whose sum is σ = 69579529437600. Its totient is φ = 5371455196800.

The previous prime is 20430713644169. The next prime is 20430713644217. The reversal of 20430713644200 is 244631703402.

20430713644200 is a `hidden beast` number, since 2 + 0 + 4 + 3 + 0 + 7 + 1 + 3 + 644 + 2 + 0 + 0 = 666.

It is a super-2 number, since 2×20430713644200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79804570 + ... + 80060169.

It is an arithmetic number, because the mean of its divisors is an integer number (483191176650).

Almost surely, 2^{20430713644200} is an apocalyptic number.

20430713644200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20430713644200 is an abundant number, since it is smaller than the sum of its proper divisors (49148815793400).

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

20430713644200 is a wasteful number, since it uses less digits than its factorization.

20430713644200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159864832 (or 159864820 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 20430713644200 in words is "twenty trillion, four hundred thirty billion, seven hundred thirteen million, six hundred forty-four thousand, two hundred".