22102222000020 has 48 divisors (see below), whose sum is σ = 61886962085760. Its totient is φ = 5893855344256.

The previous prime is 22102222000009. The next prime is 22102222000031. The reversal of 22102222000020 is 2000022220122.

It is an interprime number because it is at equal distance from previous prime (22102222000009) and next prime (22102222000031).

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 15 ways as a sum of consecutive naturals, for example, 2952166 + ... + 7274594.

It is an arithmetic number, because the mean of its divisors is an integer number (1289311710120).

Almost surely, 2^{22102222000020} is an apocalyptic number.

22102222000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22102222000020 is an abundant number, since it is smaller than the sum of its proper divisors (39784740085740).

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

22102222000020 is a wasteful number, since it uses less digits than its factorization.

22102222000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407664 (or 4407662 counting only the distinct ones).

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

Adding to 22102222000020 its reverse (2000022220122), we get a palindrome (24102244220142).

The spelling of 22102222000020 in words is "twenty-two trillion, one hundred two billion, two hundred twenty-two million, twenty", and thus it is an aban number.