22120156132 has 6 divisors (see below), whose sum is σ = 38710273238. Its totient is φ = 11060078064.

The previous prime is 22120156127. The next prime is 22120156133. The reversal of 22120156132 is 23165102122.

It can be written as a sum of positive squares in only one way, i.e., 21861396736 + 258759396 = 147856^2 + 16086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22120156097 and 22120156106.

It is not an unprimeable number, because it can be changed into a prime (22120156133) by changing a digit.

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 as a sum of consecutive naturals, namely, 2765019513 + ... + 2765019520.

Almost surely, 2^22120156132 is an apocalyptic number.

It is an amenable number.

22120156132 is a deficient number, since it is larger than the sum of its proper divisors (16590117106).

22120156132 is a wasteful number, since it uses less digits than its factorization.

22120156132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530039037 (or 5530039035 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 22120156132 its reverse (23165102122), we get a palindrome (45285258254).

The spelling of 22120156132 in words is "twenty-two billion, one hundred twenty million, one hundred fifty-six thousand, one hundred thirty-two".