204109833 has 4 divisors (see below), whose sum is σ = 272146448. Its totient is φ = 136073220.

The previous prime is 204109811. The next prime is 204109853. The reversal of 204109833 is 338901402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 204109833 - 2¹⁶ = 204044297 is a prime.

It is a Duffinian number.

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 204109833.

It is not an unprimeable number, because it can be changed into a prime (204109853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34018303 + ... + 34018308.

It is an arithmetic number, because the mean of its divisors is an integer number (68036612).

Almost surely, 2^204109833 is an apocalyptic number.

It is an amenable number.

204109833 is a deficient number, since it is larger than the sum of its proper divisors (68036615).

204109833 is an equidigital number, since it uses as much as digits as its factorization.

204109833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68036614.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 204109833 is about 14286.7012637627. The cubic root of 204109833 is about 588.7821599717.

The spelling of 204109833 in words is "two hundred four million, one hundred nine thousand, eight hundred thirty-three".