22020132 has 24 divisors (see below), whose sum is σ = 51682176. Its totient is φ = 7296928.

The previous prime is 22020127. The next prime is 22020133. The reversal of 22020132 is 23102022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (22020133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3228 + ... + 7379.

It is an arithmetic number, because the mean of its divisors is an integer number (2153424).

Almost surely, 2^22020132 is an apocalyptic number.

It is an amenable number.

22020132 is an abundant number, since it is smaller than the sum of its proper divisors (29662044).

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

22020132 is a wasteful number, since it uses less digits than its factorization.

22020132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10787 (or 10785 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22020132 is about 4692.5613474946. The cubic root of 22020132 is about 280.2893776982.

Adding to 22020132 its reverse (23102022), we get a palindrome (45122154).

The spelling of 22020132 in words is "twenty-two million, twenty thousand, one hundred thirty-two".