204242330 has 16 divisors (see below), whose sum is σ = 368542440. Its totient is φ = 81495552.

The previous prime is 204242329. The next prime is 204242351. The reversal of 204242330 is 33242402.

It can be written as a sum of positive squares in 4 ways, for example, as 177129481 + 27112849 = 13309^2 + 5207^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20879 + ... + 29058.

Almost surely, 2^204242330 is an apocalyptic number.

204242330 is a deficient number, since it is larger than the sum of its proper divisors (164300110).

204242330 is a wasteful number, since it uses less digits than its factorization.

204242330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50353.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 204242330 is about 14291.3375861044. The cubic root of 204242330 is about 588.9095341970.

Adding to 204242330 its reverse (33242402), we get a palindrome (237484732).

The spelling of 204242330 in words is "two hundred four million, two hundred forty-two thousand, three hundred thirty".