200642720404 has 36 divisors (see below), whose sum is σ = 408995428800. Its totient is φ = 85875174000.

The previous prime is 200642720357. The next prime is 200642720459. The reversal of 200642720404 is 404027246002.

It is a super-2 number, since 2×200642720404² (a number of 23 digits) contains 22 as substring.

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, 534354 + ... + 828745.

Almost surely, 2^200642720404 is an apocalyptic number.

It is an amenable number.

200642720404 is an abundant number, since it is smaller than the sum of its proper divisors (208352708396).

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

200642720404 is a wasteful number, since it uses less digits than its factorization.

200642720404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363868 (or 1363859 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

Adding to 200642720404 its reverse (404027246002), we get a palindrome (604669966406).

The spelling of 200642720404 in words is "two hundred billion, six hundred forty-two million, seven hundred twenty thousand, four hundred four".