200400204 has 24 divisors (see below), whose sum is σ = 469822528. Its totient is φ = 66482640.

The previous prime is 200400203. The next prime is 200400209. The reversal of 200400204 is 402004002.

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 200400204.

It is not an unprimeable number, because it can be changed into a prime (200400203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37042 + ... + 42105.

Almost surely, 2^200400204 is an apocalyptic number.

It is an amenable number.

200400204 is an abundant number, since it is smaller than the sum of its proper divisors (269422324).

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

200400204 is a wasteful number, since it uses less digits than its factorization.

200400204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79365 (or 79363 counting only the distinct ones).

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

The square root of 200400204 is about 14156.2779006348. The cubic root of 200400204 is about 585.1933556185.

Adding to 200400204 its reverse (402004002), we get a palindrome (602404206).

The spelling of 200400204 in words is "two hundred million, four hundred thousand, two hundred four".