2220220122020 has 24 divisors (see below), whose sum is σ = 4670656414200. Its totient is φ = 886527256832.

The previous prime is 2220220122017. The next prime is 2220220122031. The reversal of 2220220122020 is 202210220222.

It can be written as a sum of positive squares in 4 ways, for example, as 152192053924 + 2068028068096 = 390118^2 + 1438064^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2220220122020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97537835 + ... + 97560594.

It is an arithmetic number, because the mean of its divisors is an integer number (194610683925).

Almost surely, 2^{2220220122020} is an apocalyptic number.

2220220122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220220122020 is an abundant number, since it is smaller than the sum of its proper divisors (2450436292180).

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

2220220122020 is a wasteful number, since it uses less digits than its factorization.

2220220122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195099007 (or 195099005 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2220220122020 its reverse (202210220222), we get a palindrome (2422430342242).

The spelling of 2220220122020 in words is "two trillion, two hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, twenty".