2222120102020 has 192 divisors, whose sum is σ = 6107941163520. Its totient is φ = 659380912128.

The previous prime is 2222120101997. The next prime is 2222120102047. The reversal of 2222120102020 is 202010212222.

It is a junction number, because it is equal to n+sod(n) for n = 2222120101985 and 2222120102003.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3023022 + ... + 3685498.

It is an arithmetic number, because the mean of its divisors is an integer number (31812193560).

Almost surely, 2^{2222120102020} is an apocalyptic number.

2222120102020 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 2222120102020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3053970581760).

2222120102020 is an abundant number, since it is smaller than the sum of its proper divisors (3885821061500).

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

2222120102020 is a wasteful number, since it uses less digits than its factorization.

2222120102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662622 (or 662620 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2222120102020 its reverse (202010212222), we get a palindrome (2424130314242).

The spelling of 2222120102020 in words is "two trillion, two hundred twenty-two billion, one hundred twenty million, one hundred two thousand, twenty".