22222020020000 has 120 divisors (see below), whose sum is σ = 54812261661696. Its totient is φ = 8865596576000.

The previous prime is 22222020019937. The next prime is 22222020020089. The reversal of 22222020020000 is 2002022222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6209477 + ... + 9110523.

Almost surely, 2^{22222020020000} is an apocalyptic number.

22222020020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22222020020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27406130830848).

22222020020000 is an abundant number, since it is smaller than the sum of its proper divisors (32590241641696).

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

22222020020000 is an equidigital number, since it uses as much as digits as its factorization.

22222020020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901460 (or 2901437 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22222020020000 its reverse (2002022222), we get a palindrome (22224022042222).

The spelling of 22222020020000 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, twenty thousand".