2104204005 has 12 divisors (see below), whose sum is σ = 3647287020. Its totient is φ = 1122242112.

The previous prime is 2104203991. The next prime is 2104204007. The reversal of 2104204005 is 5004024012.

It can be written as a sum of positive squares in 2 ways, for example, as 840188196 + 1264015809 = 28986^2 + 35553^2 .

It is not a de Polignac number, because 2104204005 - 2⁴ = 2104203989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104204007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23380000 + ... + 23380089.

It is an arithmetic number, because the mean of its divisors is an integer number (303940585).

Almost surely, 2^2104204005 is an apocalyptic number.

It is an amenable number.

2104204005 is a deficient number, since it is larger than the sum of its proper divisors (1543083015).

2104204005 is a wasteful number, since it uses less digits than its factorization.

2104204005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46760100 (or 46760097 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2104204005 is about 45871.6034709928. The cubic root of 2104204005 is about 1281.4331289144.

Adding to 2104204005 its reverse (5004024012), we get a palindrome (7108228017).

The spelling of 2104204005 in words is "two billion, one hundred four million, two hundred four thousand, five".