204000202205 has 4 divisors (see below), whose sum is σ = 244800242652. Its totient is φ = 163200161760.

The previous prime is 204000202183. The next prime is 204000202213. The reversal of 204000202205 is 502202000402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 153261288196 + 50738914009 = 391486^2 + 225253^2 .

It is a de Polignac number, because none of the positive numbers 2^k-204000202205 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20400020216 + ... + 20400020225.

It is an arithmetic number, because the mean of its divisors is an integer number (61200060663).

Almost surely, 2^204000202205 is an apocalyptic number.

It is an amenable number.

204000202205 is a deficient number, since it is larger than the sum of its proper divisors (40800040447).

204000202205 is an equidigital number, since it uses as much as digits as its factorization.

204000202205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40800040446.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 204000202205 its reverse (502202000402), we get a palindrome (706202202607).

The spelling of 204000202205 in words is "two hundred four billion, two hundred two thousand, two hundred five".