20000220122122 has 16 divisors (see below), whose sum is σ = 30380889939840. Its totient is φ = 9873263548512.

The previous prime is 20000220122111. The next prime is 20000220122143. The reversal of 20000220122122 is 22122102200002.

It is a junction number, because it is equal to n+sod(n) for n = 20000220122096 and 20000220122105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337013 + ... + 7668775.

It is an arithmetic number, because the mean of its divisors is an integer number (1898805621240).

Almost surely, 2^{20000220122122} is an apocalyptic number.

20000220122122 is a deficient number, since it is larger than the sum of its proper divisors (10380669817718).

20000220122122 is a wasteful number, since it uses less digits than its factorization.

20000220122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369837.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20000220122122 its reverse (22122102200002), we get a palindrome (42122322322124).

The spelling of 20000220122122 in words is "twenty trillion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".