22020222200020 has 96 divisors (see below), whose sum is σ = 50580782856576. Its totient is φ = 7986017318400.

The previous prime is 22020222199957. The next prime is 22020222200023. The reversal of 22020222200020 is 2000222202022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22020222199967 and 22020222200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020222200023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793994074 + ... + 794021806.

It is an arithmetic number, because the mean of its divisors is an integer number (526883154756).

Almost surely, 2^{22020222200020} is an apocalyptic number.

22020222200020 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 22020222200020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25290391428288).

22020222200020 is an abundant number, since it is smaller than the sum of its proper divisors (28560560656556).

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

22020222200020 is a wasteful number, since it uses less digits than its factorization.

22020222200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37241 (or 37239 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22020222200020 its reverse (2000222202022), we get a palindrome (24020444402042).

The spelling of 22020222200020 in words is "twenty-two trillion, twenty billion, two hundred twenty-two million, two hundred thousand, twenty".