2120000022220 has 96 divisors (see below), whose sum is σ = 4735790841600. Its totient is φ = 794411433984.

The previous prime is 2120000022209. The next prime is 2120000022233. The reversal of 2120000022220 is 222200000212.

2120000022220 is a modest number, since divided by 22220 gives 21200 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2120000022220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230204976 + ... + 230214184.

It is an arithmetic number, because the mean of its divisors is an integer number (49331154600).

Almost surely, 2^{2120000022220} is an apocalyptic number.

2120000022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120000022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2367895420800).

2120000022220 is an abundant number, since it is smaller than the sum of its proper divisors (2615790819380).

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

2120000022220 is a wasteful number, since it uses less digits than its factorization.

2120000022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12307 (or 12305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2120000022220 its reverse (222200000212), we get a palindrome (2342200022432).

The spelling of 2120000022220 in words is "two trillion, one hundred twenty billion, twenty-two thousand, two hundred twenty".