2215110920 has 32 divisors (see below), whose sum is σ = 5437091520. Its totient is φ = 805494720.

The previous prime is 2215110907. The next prime is 2215110929. The reversal of 2215110920 is 290115122.

It is not an unprimeable number, because it can be changed into a prime (2215110929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516732 + ... + 2517611.

It is an arithmetic number, because the mean of its divisors is an integer number (169909110).

Almost surely, 2^2215110920 is an apocalyptic number.

2215110920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215110920 is an abundant number, since it is smaller than the sum of its proper divisors (3221980600).

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

2215110920 is a wasteful number, since it uses less digits than its factorization.

2215110920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034365 (or 5034361 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 2215110920 is about 47064.9648889702. The cubic root of 2215110920 is about 1303.5624025668.

The spelling of 2215110920 in words is "two billion, two hundred fifteen million, one hundred ten thousand, nine hundred twenty".