204642203 has 8 divisors (see below), whose sum is σ = 210075888. Its totient is φ = 199239264.

The previous prime is 204642197. The next prime is 204642211. The reversal of 204642203 is 302246402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204642203 - 2²⁰ = 203593627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204642223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6125 + ... + 21137.

It is an arithmetic number, because the mean of its divisors is an integer number (26259486).

Almost surely, 2^204642203 is an apocalyptic number.

204642203 is a deficient number, since it is larger than the sum of its proper divisors (5433685).

204642203 is a wasteful number, since it uses less digits than its factorization.

204642203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15373.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 204642203 is about 14305.3207933272. The cubic root of 204642203 is about 589.2936130935.

Adding to 204642203 its reverse (302246402), we get a palindrome (506888605).

The spelling of 204642203 in words is "two hundred four million, six hundred forty-two thousand, two hundred three".