204522105 has 8 divisors (see below), whose sum is σ = 327235392. Its totient is φ = 109078448.

The previous prime is 204522091. The next prime is 204522113. The reversal of 204522105 is 501225402.

It is a happy number.

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 204522105 - 2¹⁹ = 203997817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6817389 + ... + 6817418.

It is an arithmetic number, because the mean of its divisors is an integer number (40904424).

Almost surely, 2^204522105 is an apocalyptic number.

It is an amenable number.

204522105 is a deficient number, since it is larger than the sum of its proper divisors (122713287).

204522105 is a wasteful number, since it uses less digits than its factorization.

204522105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13634815.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 204522105 is about 14301.1225083907. The cubic root of 204522105 is about 589.1783113088.

Adding to 204522105 its reverse (501225402), we get a palindrome (705747507).

The spelling of 204522105 in words is "two hundred four million, five hundred twenty-two thousand, one hundred five".