22020120000 has 280 divisors, whose sum is σ = 80896917200. Its totient is φ = 5871744000.

The previous prime is 22020119993. The next prime is 22020120061. The reversal of 22020120000 is 2102022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1069806 + ... + 1090194.

Almost surely, 2^22020120000 is an apocalyptic number.

22020120000 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 22020120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40448458600).

22020120000 is an abundant number, since it is smaller than the sum of its proper divisors (58876797200).

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

22020120000 is an equidigital number, since it uses as much as digits as its factorization.

22020120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20430 (or 20399 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22020120000 its reverse (2102022), we get a palindrome (22022222022).

The spelling of 22020120000 in words is "twenty-two billion, twenty million, one hundred twenty thousand".