2222220120220 has 12 divisors (see below), whose sum is σ = 4666662252504. Its totient is φ = 888888048080.

The previous prime is 2222220120179. The next prime is 2222220120229. The reversal of 2222220120220 is 220210222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222220120229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55555502986 + ... + 55555503025.

It is an arithmetic number, because the mean of its divisors is an integer number (388888521042).

Almost surely, 2^{2222220120220} is an apocalyptic number.

2222220120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222220120220 is an abundant number, since it is smaller than the sum of its proper divisors (2444442132284).

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

2222220120220 is a wasteful number, since it uses less digits than its factorization.

2222220120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111111006020 (or 111111006018 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2222220120220 its reverse (220210222222), we get a palindrome (2442430342442).

The spelling of 2222220120220 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty".