2222011220220 has 384 divisors, whose sum is σ = 7730819712000. Its totient is φ = 525183160320.

The previous prime is 2222011220161. The next prime is 2222011220227. The reversal of 2222011220220 is 220221102222.

2222011220220 is a `hidden beast` number, since 2 + 2 + 220 + 1 + 1 + 220 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2222011220193 and 2222011220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222011220227) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 145326336 + ... + 145341624.

It is an arithmetic number, because the mean of its divisors is an integer number (20132343000).

Almost surely, 2^{2222011220220} is an apocalyptic number.

2222011220220 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 2222011220220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3865409856000).

2222011220220 is an abundant number, since it is smaller than the sum of its proper divisors (5508808491780).

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

2222011220220 is a wasteful number, since it uses less digits than its factorization.

2222011220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15930 (or 15922 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222011220220 its reverse (220221102222), we get a palindrome (2442232322442).

The spelling of 2222011220220 in words is "two trillion, two hundred twenty-two billion, eleven million, two hundred twenty thousand, two hundred twenty".