204242203 has 16 divisors (see below), whose sum is σ = 225673056. Its totient is φ = 183306240.

The previous prime is 204242173. The next prime is 204242209. The reversal of 204242203 is 302242402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204242203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204242209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471475 + ... + 471907.

It is an arithmetic number, because the mean of its divisors is an integer number (14104566).

Almost surely, 2^204242203 is an apocalyptic number.

204242203 is a deficient number, since it is larger than the sum of its proper divisors (21430853).

204242203 is a wasteful number, since it uses less digits than its factorization.

204242203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 204242203 is about 14291.3331428527. Note that the first 3 decimals coincide. The cubic root of 204242203 is about 588.9094121337.

Adding to 204242203 its reverse (302242402), we get a palindrome (506484605).

The spelling of 204242203 in words is "two hundred four million, two hundred forty-two thousand, two hundred three".