2112370220 has 48 divisors (see below), whose sum is σ = 4746050400. Its totient is φ = 787345920.

The previous prime is 2112370193. The next prime is 2112370223. The reversal of 2112370220 is 220732112.

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 = 2112370192 and 2112370201.

It is not an unprimeable number, because it can be changed into a prime (2112370223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22385 + ... + 68744.

It is an arithmetic number, because the mean of its divisors is an integer number (98876050).

Almost surely, 2^2112370220 is an apocalyptic number.

2112370220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112370220 is an abundant number, since it is smaller than the sum of its proper divisors (2633680180).

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

2112370220 is a wasteful number, since it uses less digits than its factorization.

2112370220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91218 (or 91216 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2112370220 is about 45960.5289351635. The cubic root of 2112370220 is about 1283.0886956334.

The spelling of 2112370220 in words is "two billion, one hundred twelve million, three hundred seventy thousand, two hundred twenty".