22120220120 has 16 divisors (see below), whose sum is σ = 49770495360. Its totient is φ = 8848088032.

The previous prime is 22120220081. The next prime is 22120220137. The reversal of 22120220120 is 2102202122.

It is a junction number, because it is equal to n+sod(n) for n = 22120220095 and 22120220104.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 276502712 + ... + 276502791.

It is an arithmetic number, because the mean of its divisors is an integer number (3110655960).

Almost surely, 2^22120220120 is an apocalyptic number.

22120220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120220120 is an abundant number, since it is smaller than the sum of its proper divisors (27650275240).

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

22120220120 is a wasteful number, since it uses less digits than its factorization.

22120220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553005514 (or 553005510 counting only the distinct ones).

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

Adding to 22120220120 its reverse (2102202122), we get a palindrome (24222422242).

The spelling of 22120220120 in words is "twenty-two billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty".