204313004 has 144 divisors (see below), whose sum is σ = 483900480. Its totient is φ = 73543680.

The previous prime is 204312961. The next prime is 204313009. The reversal of 204313004 is 400313402.

204313004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204313009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4983224 + ... + 4983264.

It is an arithmetic number, because the mean of its divisors is an integer number (3360420).

Almost surely, 2^204313004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204313004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241950240).

204313004 is an abundant number, since it is smaller than the sum of its proper divisors (279587476).

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

204313004 is a wasteful number, since it uses less digits than its factorization.

204313004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204313004 is about 14293.8099889428. The cubic root of 204313004 is about 588.9774531779.

Adding to 204313004 its reverse (400313402), we get a palindrome (604626406).

The spelling of 204313004 in words is "two hundred four million, three hundred thirteen thousand, four".