204104106205 has 16 divisors (see below), whose sum is σ = 246073349808. Its totient is φ = 162518400000.

The previous prime is 204104106169. The next prime is 204104106251. The reversal of 204104106205 is 502601401402.

It is a happy number.

204104106205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 47647468089 + 156456638116 = 218283^2 + 395546^2 .

It is not a de Polignac number, because 204104106205 - 2⁹ = 204104105693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204104106205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2246155 + ... + 2335255.

It is an arithmetic number, because the mean of its divisors is an integer number (15379584363).

Almost surely, 2^204104106205 is an apocalyptic number.

It is an amenable number.

204104106205 is a deficient number, since it is larger than the sum of its proper divisors (41969243603).

204104106205 is a wasteful number, since it uses less digits than its factorization.

204104106205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91248.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 204104106205 its reverse (502601401402), we get a palindrome (706705507607).

The spelling of 204104106205 in words is "two hundred four billion, one hundred four million, one hundred six thousand, two hundred five".