20022222112120 has 16 divisors (see below), whose sum is σ = 45049999752360. Its totient is φ = 8008888844832.

The previous prime is 20022222112111. The next prime is 20022222112169. The reversal of 20022222112120 is 2121122222002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250277776362 + ... + 250277776441.

Almost surely, 2^{20022222112120} is an apocalyptic number.

20022222112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022222112120 is an abundant number, since it is smaller than the sum of its proper divisors (25027777640240).

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

20022222112120 is a wasteful number, since it uses less digits than its factorization.

20022222112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500555552814 (or 500555552810 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20022222112120 its reverse (2121122222002), we get a palindrome (22143344334122).

The spelling of 20022222112120 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty".