22020011112220 has 48 divisors (see below), whose sum is σ = 50451501598848. Its totient is φ = 8006378679360.

The previous prime is 22020011112139. The next prime is 22020011112233. The reversal of 22020011112220 is 2221111002022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22020011112194 and 22020011112203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645534 + ... + 7571653.

It is an arithmetic number, because the mean of its divisors is an integer number (1051072949976).

Almost surely, 2^{22020011112220} is an apocalyptic number.

22020011112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020011112220 is an abundant number, since it is smaller than the sum of its proper divisors (28431490486628).

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

22020011112220 is a wasteful number, since it uses less digits than its factorization.

22020011112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11226130 (or 11226128 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22020011112220 its reverse (2221111002022), we get a palindrome (24241122114242).

The spelling of 22020011112220 in words is "twenty-two trillion, twenty billion, eleven million, one hundred twelve thousand, two hundred twenty".