202000404 has 24 divisors (see below), whose sum is σ = 476003808. Its totient is φ = 66666400.

The previous prime is 202000397. The next prime is 202000411. The reversal of 202000404 is 404000202.

It is an interprime number because it is at equal distance from previous prime (202000397) and next prime (202000411).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 202000404.

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, 82122 + ... + 84545.

It is an arithmetic number, because the mean of its divisors is an integer number (19833492).

Almost surely, 2^202000404 is an apocalyptic number.

It is an amenable number.

202000404 is an abundant number, since it is smaller than the sum of its proper divisors (274003404).

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

202000404 is a wasteful number, since it uses less digits than its factorization.

202000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166775 (or 166773 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 202000404 is about 14212.6846162152. The cubic root of 202000404 is about 586.7468220083.

Adding to 202000404 its reverse (404000202), we get a palindrome (606000606).

The spelling of 202000404 in words is "two hundred two million, four hundred four", and thus it is an aban number.