200902808688 has 40 divisors (see below), whose sum is σ = 521326299648. Its totient is φ = 66667296192.

The previous prime is 200902808677. The next prime is 200902808693. The reversal of 200902808688 is 886808209002.

It is a self number, because there is not a number n which added to its sum of digits gives 200902808688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9373770 + ... + 9395177.

Almost surely, 2^200902808688 is an apocalyptic number.

It is an amenable number.

200902808688 is an abundant number, since it is smaller than the sum of its proper divisors (320423490960).

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

200902808688 is a wasteful number, since it uses less digits than its factorization.

200902808688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18769181 (or 18769175 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 200902808688 in words is "two hundred billion, nine hundred two million, eight hundred eight thousand, six hundred eighty-eight".