22212010000020 has 48 divisors (see below), whose sum is σ = 62193974205888. Its totient is φ = 5923169694720.

The previous prime is 22212009999911. The next prime is 22212010000067. The reversal of 22212010000020 is 2000001021222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22212009999960 and 22212010000005.

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, 10998660 + ... + 12860580.

It is an arithmetic number, because the mean of its divisors is an integer number (1295707795956).

Almost surely, 2^{22212010000020} is an apocalyptic number.

22212010000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212010000020 is an abundant number, since it is smaller than the sum of its proper divisors (39981964205868).

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

22212010000020 is a wasteful number, since it uses less digits than its factorization.

22212010000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060760 (or 2060758 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22212010000020 its reverse (2000001021222), we get a palindrome (24212011021242).

The spelling of 22212010000020 in words is "twenty-two trillion, two hundred twelve billion, ten million, twenty", and thus it is an aban number.