204040330 has 16 divisors (see below), whose sum is σ = 395524584. Its totient is φ = 75337920.

The previous prime is 204040271. The next prime is 204040363. The reversal of 204040330 is 33040402.

It can be written as a sum of positive squares in 4 ways, for example, as 96648561 + 107391769 = 9831^2 + 10363^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784641 + ... + 784900.

Almost surely, 2^204040330 is an apocalyptic number.

204040330 is a deficient number, since it is larger than the sum of its proper divisors (191484254).

204040330 is a wasteful number, since it uses less digits than its factorization.

204040330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569561.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 204040330 is about 14284.2686197089. The cubic root of 204040330 is about 588.7153221461.

Adding to 204040330 its reverse (33040402), we get a palindrome (237080732).

The spelling of 204040330 in words is "two hundred four million, forty thousand, three hundred thirty".