204020304 has 80 divisors (see below), whose sum is σ = 553547904. Its totient is φ = 64627200.

The previous prime is 204020291. The next prime is 204020329. The reversal of 204020304 is 403020402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199314 + ... + 200334.

Almost surely, 2^204020304 is an apocalyptic number.

204020304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204020304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276773952).

204020304 is an abundant number, since it is smaller than the sum of its proper divisors (349527600).

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

204020304 is a wasteful number, since it uses less digits than its factorization.

204020304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 204020304 is about 14283.5676215713. The cubic root of 204020304 is about 588.6960612501.

Adding to 204020304 its reverse (403020402), we get a palindrome (607040706).

The spelling of 204020304 in words is "two hundred four million, twenty thousand, three hundred four".