2112020220 has 96 divisors (see below), whose sum is σ = 5973327360. Its totient is φ = 557556480.

The previous prime is 2112020213. The next prime is 2112020291. The reversal of 2112020220 is 220202112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2112020196 and 2112020205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4767319 + ... + 4767761.

It is an arithmetic number, because the mean of its divisors is an integer number (62222160).

Almost surely, 2^2112020220 is an apocalyptic number.

2112020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112020220 is an abundant number, since it is smaller than the sum of its proper divisors (3861307140).

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

2112020220 is a wasteful number, since it uses less digits than its factorization.

2112020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2112020220 is about 45956.7211624154. The cubic root of 2112020220 is about 1283.0178264514.

Adding to 2112020220 its reverse (220202112), we get a palindrome (2332222332).

The spelling of 2112020220 in words is "two billion, one hundred twelve million, twenty thousand, two hundred twenty".