20002112221022 has 8 divisors (see below), whose sum is σ = 30015706227696. Its totient is φ = 9996876811792.

The previous prime is 20002112220997. The next prime is 20002112221087. The reversal of 20002112221022 is 22012221120002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2089643378 + ... + 2089652949.

It is an arithmetic number, because the mean of its divisors is an integer number (3751963278462).

Almost surely, 2^{20002112221022} is an apocalyptic number.

20002112221022 is a deficient number, since it is larger than the sum of its proper divisors (10013594006674).

20002112221022 is a wasteful number, since it uses less digits than its factorization.

20002112221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179298722.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20002112221022 its reverse (22012221120002), we get a palindrome (42014333341024).

The spelling of 20002112221022 in words is "twenty trillion, two billion, one hundred twelve million, two hundred twenty-one thousand, twenty-two".