204504036 has 72 divisors (see below), whose sum is σ = 529105920. Its totient is φ = 61427520.

The previous prime is 204504029. The next prime is 204504037. The reversal of 204504036 is 630405402.

204504036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204503997 and 204504015.

It is not an unprimeable number, because it can be changed into a prime (204504037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183850 + ... + 184958.

Almost surely, 2^204504036 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 204504036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264552960).

204504036 is an abundant number, since it is smaller than the sum of its proper divisors (324601884).

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

204504036 is a wasteful number, since it uses less digits than its factorization.

204504036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 204504036 is about 14300.4907608096. The cubic root of 204504036 is about 589.1609600036.

Adding to 204504036 its reverse (630405402), we get a palindrome (834909438).

The spelling of 204504036 in words is "two hundred four million, five hundred four thousand, thirty-six".