2204042520 has 64 divisors (see below), whose sum is σ = 7001082720. Its totient is φ = 553170944.

The previous prime is 2204042497. The next prime is 2204042521. The reversal of 2204042520 is 252404022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204042521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538167 + ... + 542246.

Almost surely, 2^2204042520 is an apocalyptic number.

2204042520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2204042520 is an abundant number, since it is smaller than the sum of its proper divisors (4797040200).

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

2204042520 is a wasteful number, since it uses less digits than its factorization.

2204042520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080444 (or 1080440 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2204042520 is about 46947.2312282631. The cubic root of 2204042520 is about 1301.3875756214.

Adding to 2204042520 its reverse (252404022), we get a palindrome (2456446542).

The spelling of 2204042520 in words is "two billion, two hundred four million, forty-two thousand, five hundred twenty".