204112203 has 4 divisors (see below), whose sum is σ = 272149608. Its totient is φ = 136074800.

The previous prime is 204112177. The next prime is 204112219. The reversal of 204112203 is 302211402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204112203 - 2⁵ = 204112171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204112253) 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, 34018698 + ... + 34018703.

It is an arithmetic number, because the mean of its divisors is an integer number (68037402).

Almost surely, 2^204112203 is an apocalyptic number.

204112203 is a deficient number, since it is larger than the sum of its proper divisors (68037405).

204112203 is an equidigital number, since it uses as much as digits as its factorization.

204112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68037404.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 204112203 is about 14286.7842077915. The cubic root of 204112203 is about 588.7844388237.

Adding to 204112203 its reverse (302211402), we get a palindrome (506323605).

The spelling of 204112203 in words is "two hundred four million, one hundred twelve thousand, two hundred three".