204030330 has 64 divisors (see below), whose sum is σ = 560867328. Its totient is φ = 46532160.

The previous prime is 204030289. The next prime is 204030349. The reversal of 204030330 is 33030402.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

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, 134275 + ... + 135785.

It is an arithmetic number, because the mean of its divisors is an integer number (8763552).

Almost surely, 2^204030330 is an apocalyptic number.

204030330 is an abundant number, since it is smaller than the sum of its proper divisors (356836998).

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

204030330 is a wasteful number, since it uses less digits than its factorization.

204030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 204030330 is about 14283.9185799976. The cubic root of 204030330 is about 588.7057043590.

Adding to 204030330 its reverse (33030402), we get a palindrome (237060732).

The spelling of 204030330 in words is "two hundred four million, thirty thousand, three hundred thirty".