20112222202202 has 32 divisors (see below), whose sum is σ = 34008483664512. Its totient is φ = 8850964883904.

The previous prime is 20112222202187. The next prime is 20112222202207. The reversal of 20112222202202 is 20220222221102.

It is not an unprimeable number, because it can be changed into a prime (20112222202207) 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 15 ways as a sum of consecutive naturals, for example, 52858508 + ... + 53237639.

It is an arithmetic number, because the mean of its divisors is an integer number (1062765114516).

Almost surely, 2^{20112222202202} is an apocalyptic number.

20112222202202 is a deficient number, since it is larger than the sum of its proper divisors (13896261462310).

20112222202202 is a wasteful number, since it uses less digits than its factorization.

20112222202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106096502.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20112222202202 its reverse (20220222221102), we get a palindrome (40332444423304).

The spelling of 20112222202202 in words is "twenty trillion, one hundred twelve billion, two hundred twenty-two million, two hundred two thousand, two hundred two".