20000717400 has 48 divisors (see below), whose sum is σ = 62002225800. Its totient is φ = 5333524480.

The previous prime is 20000717357. The next prime is 20000717459. The reversal of 20000717400 is 471700002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16666665 + ... + 16667864.

Almost surely, 2^20000717400 is an apocalyptic number.

20000717400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000717400 is an abundant number, since it is smaller than the sum of its proper divisors (42001508400).

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

20000717400 is a wasteful number, since it uses less digits than its factorization.

20000717400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33334548 (or 33334539 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The spelling of 20000717400 in words is "twenty billion, seven hundred seventeen thousand, four hundred".