2204104520 has 32 divisors (see below), whose sum is σ = 4971638520. Its totient is φ = 879436800.

The previous prime is 2204104501. The next prime is 2204104531. The reversal of 2204104520 is 254014022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2170255396 + 33849124 = 46586^2 + 5818^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2204104492 and 2204104501.

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, 52667 + ... + 84746.

Almost surely, 2^2204104520 is an apocalyptic number.

2204104520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204104520 is an abundant number, since it is smaller than the sum of its proper divisors (2767534000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2204104520 is a wasteful number, since it uses less digits than its factorization.

2204104520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137825 (or 137821 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2204104520 is about 46947.8915394504. The cubic root of 2204104520 is about 1301.3997782404.

Adding to 2204104520 its reverse (254014022), we get a palindrome (2458118542).

The spelling of 2204104520 in words is "two billion, two hundred four million, one hundred four thousand, five hundred twenty".