204245104 has 20 divisors (see below), whose sum is σ = 452257264. Its totient is φ = 87533568.

The previous prime is 204245101. The next prime is 204245137. The reversal of 204245104 is 401542402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204245101) 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, 911697 + ... + 911920.

Almost surely, 2^204245104 is an apocalyptic number.

It is an amenable number.

204245104 is an abundant number, since it is smaller than the sum of its proper divisors (248012160).

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

204245104 is a wasteful number, since it uses less digits than its factorization.

204245104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823632 (or 1823626 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 204245104 is about 14291.4346375723. The cubic root of 204245104 is about 588.9122003561.

Adding to 204245104 its reverse (401542402), we get a palindrome (605787506).

The spelling of 204245104 in words is "two hundred four million, two hundred forty-five thousand, one hundred four".