20221022222120 has 32 divisors (see below), whose sum is σ = 47891894738400. Its totient is φ = 7662703157568.

The previous prime is 20221022222117. The next prime is 20221022222153. The reversal of 20221022222120 is 2122222012202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20221022222092 and 20221022222101.

It is an unprimeable number.

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, 13303303334 + ... + 13303304853.

It is an arithmetic number, because the mean of its divisors is an integer number (1496621710575).

Almost surely, 2^{20221022222120} is an apocalyptic number.

20221022222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221022222120 is an abundant number, since it is smaller than the sum of its proper divisors (27670872516280).

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

20221022222120 is a wasteful number, since it uses less digits than its factorization.

20221022222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26606608217 (or 26606608213 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20221022222120 its reverse (2122222012202), we get a palindrome (22343244234322).

The spelling of 20221022222120 in words is "twenty trillion, two hundred twenty-one billion, twenty-two million, two hundred twenty-two thousand, one hundred twenty".