22020001120 has 96 divisors (see below), whose sum is σ = 56238380352. Its totient is φ = 8099346432.

The previous prime is 22020001103. The next prime is 22020001147. The reversal of 22020001120 is 2110002022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22020001097 and 22020001106.

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, 526914 + ... + 567166.

It is an arithmetic number, because the mean of its divisors is an integer number (585816462).

Almost surely, 2^22020001120 is an apocalyptic number.

22020001120 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 22020001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28119190176).

22020001120 is an abundant number, since it is smaller than the sum of its proper divisors (34218379232).

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

22020001120 is a wasteful number, since it uses less digits than its factorization.

22020001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40544 (or 40536 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22020001120 its reverse (2110002022), we get a palindrome (24130003142).

The spelling of 22020001120 in words is "twenty-two billion, twenty million, one thousand, one hundred twenty".