22020116 has 12 divisors (see below), whose sum is σ = 39475380. Its totient is φ = 10741440.

The previous prime is 22020091. The next prime is 22020127. The reversal of 22020116 is 61102022.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 11587216 = 3230^2 + 3404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22020116.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 66971 + ... + 67298.

It is an arithmetic number, because the mean of its divisors is an integer number (3289615).

Almost surely, 2^22020116 is an apocalyptic number.

It is an amenable number.

22020116 is a deficient number, since it is larger than the sum of its proper divisors (17455264).

22020116 is a wasteful number, since it uses less digits than its factorization.

22020116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134314 (or 134312 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 22020116 is about 4692.5596426684. The cubic root of 22020116 is about 280.2893098114.

Adding to 22020116 its reverse (61102022), we get a palindrome (83122138).

The spelling of 22020116 in words is "twenty-two million, twenty thousand, one hundred sixteen".