2120002200220 has 24 divisors (see below), whose sum is σ = 4452124950000. Its totient is φ = 847977960192.

The previous prime is 2120002200203. The next prime is 2120002200221. The reversal of 2120002200220 is 220022000212.

2120002200220 is a modest number, since divided by 2200220 gives 21200 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2120002200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120002200221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 663970 + ... + 2163529.

It is an arithmetic number, because the mean of its divisors is an integer number (185505206250).

Almost surely, 2^{2120002200220} is an apocalyptic number.

2120002200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120002200220 is an abundant number, since it is smaller than the sum of its proper divisors (2332122749780).

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

2120002200220 is a wasteful number, since it uses less digits than its factorization.

2120002200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864997 (or 2864995 counting only the distinct ones).

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

Adding to 2120002200220 its reverse (220022000212), we get a palindrome (2340024200432).

The spelling of 2120002200220 in words is "two trillion, one hundred twenty billion, two million, two hundred thousand, two hundred twenty".