204132306 has 16 divisors (see below), whose sum is σ = 466588224. Its totient is φ = 58323504.

The previous prime is 204132289. The next prime is 204132323. The reversal of 204132306 is 603231402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (204132289) and next prime (204132323).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 2430105 + ... + 2430188.

It is an arithmetic number, because the mean of its divisors is an integer number (29161764).

Almost surely, 2^204132306 is an apocalyptic number.

204132306 is an abundant number, since it is smaller than the sum of its proper divisors (262455918).

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

204132306 is a wasteful number, since it uses less digits than its factorization.

204132306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860305.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 204132306 is about 14287.4877427769. The cubic root of 204132306 is about 588.8037679718.

Adding to 204132306 its reverse (603231402), we get a palindrome (807363708).

The spelling of 204132306 in words is "two hundred four million, one hundred thirty-two thousand, three hundred six".