20002222221112 has 32 divisors (see below), whose sum is σ = 38856287250000. Its totient is φ = 9641592260608.

The previous prime is 20002222221109. The next prime is 20002222221143. The reversal of 20002222221112 is 21112222220002.

It is a self number, because there is not a number n which added to its sum of digits gives 20002222221112.

It is a congruent number.

It is an unprimeable number.

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, 65261737 + ... + 65567512.

Almost surely, 2^{20002222221112} is an apocalyptic number.

It is an amenable number.

20002222221112 is a deficient number, since it is larger than the sum of its proper divisors (18854065028888).

20002222221112 is a wasteful number, since it uses less digits than its factorization.

20002222221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130829943 (or 130829939 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20002222221112 its reverse (21112222220002), we get a palindrome (41114444441114).

The spelling of 20002222221112 in words is "twenty trillion, two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".