2200031220 has 48 divisors (see below), whose sum is σ = 6178753728. Its totient is φ = 584897280.

The previous prime is 2200031209. The next prime is 2200031233. The reversal of 2200031220 is 221300022.

2200031220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 2200031196 and 2200031205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35529 + ... + 75248.

It is an arithmetic number, because the mean of its divisors is an integer number (128724036).

Almost surely, 2^2200031220 is an apocalyptic number.

2200031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200031220 is an abundant number, since it is smaller than the sum of its proper divisors (3978722508).

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

2200031220 is a wasteful number, since it uses less digits than its factorization.

2200031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111120 (or 111118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2200031220 is about 46904.4904033718. The cubic root of 2200031220 is about 1300.5975990139.

Adding to 2200031220 its reverse (221300022), we get a palindrome (2421331242).

The spelling of 2200031220 in words is "two billion, two hundred million, thirty-one thousand, two hundred twenty".