204158330 has 16 divisors (see below), whose sum is σ = 369014184. Its totient is φ = 81323520.

The previous prime is 204158303. The next prime is 204158351. The reversal of 204158330 is 33851402.

It can be written as a sum of positive squares in 4 ways, for example, as 197993041 + 6165289 = 14071^2 + 2483^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 204158330.

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, 39947 + ... + 44766.

Almost surely, 2^204158330 is an apocalyptic number.

204158330 is a deficient number, since it is larger than the sum of its proper divisors (164855854).

204158330 is a wasteful number, since it uses less digits than its factorization.

204158330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84961.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 204158330 is about 14288.3984406931. The cubic root of 204158330 is about 588.8287883103.

The spelling of 204158330 in words is "two hundred four million, one hundred fifty-eight thousand, three hundred thirty".