22202021120 has 72 divisors (see below), whose sum is σ = 53303268480. Its totient is φ = 8860354560.

The previous prime is 22202021117. The next prime is 22202021167. The reversal of 22202021120 is 2112020222.

It is a junction number, because it is equal to n+sod(n) for n = 22202021095 and 22202021104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542165 + ... + 581675.

Almost surely, 2^22202021120 is an apocalyptic number.

22202021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22202021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26651634240).

22202021120 is an abundant number, since it is smaller than the sum of its proper divisors (31101247360).

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

22202021120 is an equidigital number, since it uses as much as digits as its factorization.

22202021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39971 (or 39957 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22202021120 its reverse (2112020222), we get a palindrome (24314041342).

The spelling of 22202021120 in words is "twenty-two billion, two hundred two million, twenty-one thousand, one hundred twenty".