20010023031112 has 32 divisors (see below), whose sum is σ = 37897737273720. Its totient is φ = 9903998822400.

The previous prime is 20010023031109. The next prime is 20010023031113. The reversal of 20010023031112 is 21113032001002.

It can be written as a sum of positive squares in 4 ways, for example, as 17068846050916 + 2941176980196 = 4131446^2 + 1714986^2 .

It is not an unprimeable number, because it can be changed into a prime (20010023031113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1663288 + ... + 6541144.

Almost surely, 2^{20010023031112} is an apocalyptic number.

It is an amenable number.

20010023031112 is a deficient number, since it is larger than the sum of its proper divisors (17887714242608).

20010023031112 is a wasteful number, since it uses less digits than its factorization.

20010023031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4883041 (or 4883037 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20010023031112 its reverse (21113032001002), we get a palindrome (41123055032114).

The spelling of 20010023031112 in words is "twenty trillion, ten billion, twenty-three million, thirty-one thousand, one hundred twelve".