20202222002212 has 12 divisors (see below), whose sum is σ = 35353983718620. Its totient is φ = 10101083796896.

The previous prime is 20202222002191. The next prime is 20202222002251. The reversal of 20202222002212 is 21220022220202.

It can be written as a sum of positive squares in 2 ways, for example, as 17104643122176 + 3097578880036 = 4135776^2 + 1759994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20202222002212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5081887 + ... + 8138182.

It is an arithmetic number, because the mean of its divisors is an integer number (2946165309885).

Almost surely, 2^{20202222002212} is an apocalyptic number.

It is an amenable number.

20202222002212 is a deficient number, since it is larger than the sum of its proper divisors (15151761716408).

20202222002212 is a wasteful number, since it uses less digits than its factorization.

20202222002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13602110 (or 13602108 counting only the distinct ones).

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

Adding to 20202222002212 its reverse (21220022220202), we get a palindrome (41422244222414).

The spelling of 20202222002212 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, two thousand, two hundred twelve".