22002122210020 has 24 divisors (see below), whose sum is σ = 46206063787968. Its totient is φ = 8800542760800.

The previous prime is 22002122210017. The next prime is 22002122210039. The reversal of 22002122210020 is 2001222120022.

It is a junction number, because it is equal to n+sod(n) for n = 22002122209976 and 22002122210003.

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, 18542896 + ... + 19693735.

It is an arithmetic number, because the mean of its divisors is an integer number (1925252657832).

Almost surely, 2^{22002122210020} is an apocalyptic number.

22002122210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22002122210020 is an abundant number, since it is smaller than the sum of its proper divisors (24203941577948).

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

22002122210020 is a wasteful number, since it uses less digits than its factorization.

22002122210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38265411 (or 38265409 counting only the distinct ones).

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

Adding to 22002122210020 its reverse (2001222120022), we get a palindrome (24003344330042).

The spelling of 22002122210020 in words is "twenty-two trillion, two billion, one hundred twenty-two million, two hundred ten thousand, twenty".