20003012321122 has 16 divisors (see below), whose sum is σ = 30088954575360. Its totient is φ = 9973365651648.

The previous prime is 20003012321023. The next prime is 20003012321161. The reversal of 20003012321122 is 22112321030002.

It is a self number, because there is not a number n which added to its sum of digits gives 20003012321122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7070698 + ... + 9486874.

It is an arithmetic number, because the mean of its divisors is an integer number (1880559660960).

Almost surely, 2^{20003012321122} is an apocalyptic number.

20003012321122 is a deficient number, since it is larger than the sum of its proper divisors (10085942254238).

20003012321122 is a wasteful number, since it uses less digits than its factorization.

20003012321122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427825.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20003012321122 its reverse (22112321030002), we get a palindrome (42115333351124).

The spelling of 20003012321122 in words is "twenty trillion, three billion, twelve million, three hundred twenty-one thousand, one hundred twenty-two".