20122211120 has 40 divisors (see below), whose sum is σ = 51037246800. Its totient is φ = 7317167360.

The previous prime is 20122211111. The next prime is 20122211141. The reversal of 20122211120 is 2111222102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20122211095 and 20122211104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11432195 + ... + 11433954.

It is an arithmetic number, because the mean of its divisors is an integer number (1275931170).

Almost surely, 2^20122211120 is an apocalyptic number.

20122211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122211120 is an abundant number, since it is smaller than the sum of its proper divisors (30915035680).

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

20122211120 is a wasteful number, since it uses less digits than its factorization.

20122211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22866173 (or 22866167 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122211120 its reverse (2111222102), we get a palindrome (22233433222).

The spelling of 20122211120 in words is "twenty billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty".