20003122321112 has 64 divisors (see below), whose sum is σ = 42888855939840. Its totient is φ = 8567763523200.

The previous prime is 20003122321093. The next prime is 20003122321121. The reversal of 20003122321112 is 21112322130002.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1521490523 + ... + 1521503669.

It is an arithmetic number, because the mean of its divisors is an integer number (670138374060).

Almost surely, 2^{20003122321112} is an apocalyptic number.

It is an amenable number.

20003122321112 is an abundant number, since it is smaller than the sum of its proper divisors (22885733618728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20003122321112 is a wasteful number, since it uses less digits than its factorization.

20003122321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952 (or 26948 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20003122321112 its reverse (21112322130002), we get a palindrome (41115444451114).

The spelling of 20003122321112 in words is "twenty trillion, three billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred twelve".