204513036 has 96 divisors (see below), whose sum is σ = 618293760. Its totient is φ = 51093504.

The previous prime is 204513007. The next prime is 204513073. The reversal of 204513036 is 630315402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204512997 and 204513015.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15820 + ... + 25676.

It is an arithmetic number, because the mean of its divisors is an integer number (6440560).

Almost surely, 2^204513036 is an apocalyptic number.

204513036 is a gapful number since it is divisible by the number (26) 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 204513036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309146880).

204513036 is an abundant number, since it is smaller than the sum of its proper divisors (413780724).

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

204513036 is a wasteful number, since it uses less digits than its factorization.

204513036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903 (or 9901 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 204513036 is about 14300.8054318629. The cubic root of 204513036 is about 589.1696026543.

Adding to 204513036 its reverse (630315402), we get a palindrome (834828438).

The spelling of 204513036 in words is "two hundred four million, five hundred thirteen thousand, thirty-six".