20221112220220 has 12 divisors (see below), whose sum is σ = 42464335662504. Its totient is φ = 8088444888080.

The previous prime is 20221112220203. The next prime is 20221112220227. The reversal of 20221112220220 is 2202221112202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221112220227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505527805486 + ... + 505527805525.

It is an arithmetic number, because the mean of its divisors is an integer number (3538694638542).

Almost surely, 2^{20221112220220} is an apocalyptic number.

20221112220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221112220220 is an abundant number, since it is smaller than the sum of its proper divisors (22243223442284).

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

20221112220220 is a wasteful number, since it uses less digits than its factorization.

20221112220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011055611020 (or 1011055611018 counting only the distinct ones).

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

Adding to 20221112220220 its reverse (2202221112202), we get a palindrome (22423333332422).

The spelling of 20221112220220 in words is "twenty trillion, two hundred twenty-one billion, one hundred twelve million, two hundred twenty thousand, two hundred twenty".