22120100213320 has 32 divisors (see below), whose sum is σ = 49774276567800. Its totient is φ = 8847319891968.

The previous prime is 22120100213293. The next prime is 22120100213327. The reversal of 22120100213320 is 2331200102122.

It can be written as a sum of positive squares in 4 ways, for example, as 20749500846244 + 1370599367076 = 4555162^2 + 1170726^2 .

It is not an unprimeable number, because it can be changed into a prime (22120100213327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22008339 + ... + 22991458.

Almost surely, 2^{22120100213320} is an apocalyptic number.

22120100213320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22120100213320 is an abundant number, since it is smaller than the sum of its proper divisors (27654176354480).

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

22120100213320 is a wasteful number, since it uses less digits than its factorization.

22120100213320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45012097 (or 45012093 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22120100213320 its reverse (2331200102122), we get a palindrome (24451300315442).

The spelling of 22120100213320 in words is "twenty-two trillion, one hundred twenty billion, one hundred million, two hundred thirteen thousand, three hundred twenty".