20202202212202 has 16 divisors (see below), whose sum is σ = 31042840666824. Its totient is φ = 9854595520000.

The previous prime is 20202202212193. The next prime is 20202202212209. The reversal of 20202202212202 is 20221220220202.

It can be written as a sum of positive squares in 4 ways, for example, as 19538353688841 + 663848523361 = 4420221^2 + 814769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20202202212202.

It is not an unprimeable number, because it can be changed into a prime (20202202212209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4336452 + ... + 7694752.

Almost surely, 2^{20202202212202} is an apocalyptic number.

20202202212202 is a deficient number, since it is larger than the sum of its proper divisors (10840638454622).

20202202212202 is a wasteful number, since it uses less digits than its factorization.

20202202212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431705.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20202202212202 its reverse (20221220220202), we get a palindrome (40423422432404).

The spelling of 20202202212202 in words is "twenty trillion, two hundred two billion, two hundred two million, two hundred twelve thousand, two hundred two".