204130130 has 16 divisors (see below), whose sum is σ = 380104920. Its totient is φ = 78836352.

The previous prime is 204130127. The next prime is 204130141. The reversal of 204130130 is 31031402.

It can be written as a sum of positive squares in 4 ways, for example, as 130393561 + 73736569 = 11419^2 + 8587^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351659 + ... + 352238.

Almost surely, 2^204130130 is an apocalyptic number.

204130130 is a deficient number, since it is larger than the sum of its proper divisors (175974790).

204130130 is a wasteful number, since it uses less digits than its factorization.

204130130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703933.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 204130130 is about 14287.4115920274. The cubic root of 204130130 is about 588.8016757968.

Adding to 204130130 its reverse (31031402), we get a palindrome (235161532).

The spelling of 204130130 in words is "two hundred four million, one hundred thirty thousand, one hundred thirty".