2222120020 has 24 divisors (see below), whose sum is σ = 4667572224. Its totient is φ = 888634656.

The previous prime is 2222120011. The next prime is 2222120023. The reversal of 2222120020 is 200212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222120023) 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, 92589 + ... + 114091.

It is an arithmetic number, because the mean of its divisors is an integer number (194482176).

Almost surely, 2^2222120020 is an apocalyptic number.

2222120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222120020 is an abundant number, since it is smaller than the sum of its proper divisors (2445452204).

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

2222120020 is a wasteful number, since it uses less digits than its factorization.

2222120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26679 (or 26677 counting only the distinct ones).

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

The square root of 2222120020 is about 47139.3680483733. The cubic root of 2222120020 is about 1304.9358746743.

Adding to 2222120020 its reverse (200212222), we get a palindrome (2422332242).

The spelling of 2222120020 in words is "two billion, two hundred twenty-two million, one hundred twenty thousand, twenty".