20122222322210 has 16 divisors (see below), whose sum is σ = 36233469919800. Its totient is φ = 8045895653376.

The previous prime is 20122222322203. The next prime is 20122222322219. The reversal of 20122222322210 is 1222322222102.

It can be written as a sum of positive squares in 4 ways, for example, as 17446802701969 + 2675419620241 = 4176937^2 + 1635671^2 .

It is not an unprimeable number, because it can be changed into a prime (20122222322219) 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 in 7 ways as a sum of consecutive naturals, for example, 374131205 + ... + 374184984.

Almost surely, 2^{20122222322210} is an apocalyptic number.

20122222322210 is a deficient number, since it is larger than the sum of its proper divisors (16111247597590).

20122222322210 is a wasteful number, since it uses less digits than its factorization.

20122222322210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748318885.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20122222322210 its reverse (1222322222102), we get a palindrome (21344544544312).

The spelling of 20122222322210 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, three hundred twenty-two thousand, two hundred ten".