22120222000020 has 24 divisors (see below), whose sum is σ = 61936621600224. Its totient is φ = 5898725866656.

The previous prime is 22120221999977. The next prime is 22120222000069. The reversal of 22120222000020 is 2000022202122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 184335183274 + ... + 184335183393.

It is an arithmetic number, because the mean of its divisors is an integer number (2580692566676).

Almost surely, 2^{22120222000020} is an apocalyptic number.

22120222000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120222000020 is an abundant number, since it is smaller than the sum of its proper divisors (39816399600204).

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

22120222000020 is a wasteful number, since it uses less digits than its factorization.

22120222000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368670366679 (or 368670366677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22120222000020 its reverse (2000022202122), we get a palindrome (24120244202142).

The spelling of 22120222000020 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, twenty", and thus it is an aban number.