2252815020 has 36 divisors (see below), whose sum is σ = 6833539440. Its totient is φ = 600750624.

The previous prime is 2252815003. The next prime is 2252815039. The reversal of 2252815020 is 205182522.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6257640 + ... + 6257999.

It is an arithmetic number, because the mean of its divisors is an integer number (189820540).

Almost surely, 2^2252815020 is an apocalyptic number.

2252815020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252815020 is an abundant number, since it is smaller than the sum of its proper divisors (4580724420).

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

2252815020 is a wasteful number, since it uses less digits than its factorization.

2252815020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12515654 (or 12515649 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 2252815020 is about 47463.8285434287. The cubic root of 2252815020 is about 1310.9169463555.

Adding to 2252815020 its reverse (205182522), we get a palindrome (2457997542).

The spelling of 2252815020 in words is "two billion, two hundred fifty-two million, eight hundred fifteen thousand, twenty".