22000000130320 has 40 divisors (see below), whose sum is σ = 51602655194136. Its totient is φ = 8722123941888.

The previous prime is 22000000130237. The next prime is 22000000130323. The reversal of 22000000130320 is 2303100000022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2358227065104 + 19641773065216 = 1535652^2 + 4431904^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 22000000130320.

It is not an unprimeable number, because it can be changed into a prime (22000000130323) 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, 1216805127 + ... + 1216823206.

Almost surely, 2^{22000000130320} is an apocalyptic number.

22000000130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000000130320 is an abundant number, since it is smaller than the sum of its proper divisors (29602655063816).

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

22000000130320 is a wasteful number, since it uses less digits than its factorization.

22000000130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433628459 (or 2433628453 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 22000000130320 its reverse (2303100000022), we get a palindrome (24303100130342).

The spelling of 22000000130320 in words is "twenty-two trillion, one hundred thirty thousand, three hundred twenty".