204212330 has 64 divisors (see below), whose sum is σ = 451256832. Its totient is φ = 64942080.

The previous prime is 204212297. The next prime is 204212387. The reversal of 204212330 is 33212402.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 204212299 and 204212308.

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, 83282 + ... + 85698.

It is an arithmetic number, because the mean of its divisors is an integer number (7050888).

Almost surely, 2^204212330 is an apocalyptic number.

204212330 is an abundant number, since it is smaller than the sum of its proper divisors (247044502).

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

204212330 is a wasteful number, since it uses less digits than its factorization.

204212330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 204212330 is about 14290.2879607095. The cubic root of 204212330 is about 588.8806989223.

Adding to 204212330 its reverse (33212402), we get a palindrome (237424732).

The spelling of 204212330 in words is "two hundred four million, two hundred twelve thousand, three hundred thirty".