202089904 has 10 divisors (see below), whose sum is σ = 391549220. Its totient is φ = 101044944.

The previous prime is 202089887. The next prime is 202089907. The reversal of 202089904 is 409980202.

It is a self number, because there is not a number n which added to its sum of digits gives 202089904.

It is not an unprimeable number, because it can be changed into a prime (202089907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315294 + ... + 6315325.

It is an arithmetic number, because the mean of its divisors is an integer number (39154922).

Almost surely, 2^202089904 is an apocalyptic number.

It is an amenable number.

202089904 is a deficient number, since it is larger than the sum of its proper divisors (189459316).

202089904 is a wasteful number, since it uses less digits than its factorization.

202089904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12630627 (or 12630621 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 202089904 is about 14215.8328633957. The cubic root of 202089904 is about 586.8334655425.

The spelling of 202089904 in words is "two hundred two million, eighty-nine thousand, nine hundred four".