20222112220 has 24 divisors (see below), whose sum is σ = 42479043264. Its totient is φ = 8086443456.

The previous prime is 20222112199. The next prime is 20222112227. The reversal of 20222112220 is 2221122202.

It is a junction number, because it is equal to n+sod(n) for n = 20222112194 and 20222112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222112227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80247 + ... + 216526.

It is an arithmetic number, because the mean of its divisors is an integer number (1769960136).

Almost surely, 2^20222112220 is an apocalyptic number.

20222112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222112220 is an abundant number, since it is smaller than the sum of its proper divisors (22256931044).

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

20222112220 is a wasteful number, since it uses less digits than its factorization.

20222112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300189 (or 300187 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20222112220 its reverse (2221122202), we get a palindrome (22443234422).

The spelling of 20222112220 in words is "twenty billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty".