20222221211120 has 40 divisors (see below), whose sum is σ = 47033956717440. Its totient is φ = 8085913447680.

The previous prime is 20222221211041. The next prime is 20222221211123. The reversal of 20222221211120 is 2111212222202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×20222221211120² (a number of 27 digits) contains 22 as substring.

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 = 20222221211092 and 20222221211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222221211123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46266071 + ... + 46701110.

It is an arithmetic number, because the mean of its divisors is an integer number (1175848917936).

Almost surely, 2^{20222221211120} is an apocalyptic number.

20222221211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222221211120 is an abundant number, since it is smaller than the sum of its proper divisors (26811735506320).

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

20222221211120 is a wasteful number, since it uses less digits than its factorization.

20222221211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92969913 (or 92969907 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20222221211120 its reverse (2111212222202), we get a palindrome (22333433433322).

The spelling of 20222221211120 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twenty".