20001323320112 has 10 divisors (see below), whose sum is σ = 38752563932748. Its totient is φ = 10000661660048.

The previous prime is 20001323320079. The next prime is 20001323320133. The reversal of 20001323320112 is 21102332310002.

It is a super-2 number, since 2×20001323320112² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 625041353738 + ... + 625041353769.

Almost surely, 2^{20001323320112} is an apocalyptic number.

It is an amenable number.

20001323320112 is a deficient number, since it is larger than the sum of its proper divisors (18751240612636).

20001323320112 is a wasteful number, since it uses less digits than its factorization.

20001323320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250082707515 (or 1250082707509 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20001323320112 its reverse (21102332310002), we get a palindrome (41103655630114).

The spelling of 20001323320112 in words is "twenty trillion, one billion, three hundred twenty-three million, three hundred twenty thousand, one hundred twelve".