204203804 has 12 divisors (see below), whose sum is σ = 408407664. Its totient is φ = 87515904.

The previous prime is 204203803. The next prime is 204203833. The reversal of 204203804 is 408302402.

204203804 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 204203804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204203803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646469 + ... + 3646524.

It is an arithmetic number, because the mean of its divisors is an integer number (34033972).

Almost surely, 2^204203804 is an apocalyptic number.

It is an amenable number.

204203804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204203804 is a wasteful number, since it uses less digits than its factorization.

204203804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293004 (or 7293002 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 204203804 is about 14289.9896431033. The cubic root of 204203804 is about 588.8725034218.

The spelling of 204203804 in words is "two hundred four million, two hundred three thousand, eight hundred four".