20001000112 has 20 divisors (see below), whose sum is σ = 40002001216. Its totient is φ = 9677903040.

The previous prime is 20001000109. The next prime is 20001000181. The reversal of 20001000112 is 21100010002.

20001000112 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20001000095 and 20001000104.

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 3 ways as a sum of consecutive naturals, for example, 20161803 + ... + 20162794.

Almost surely, 2^20001000112 is an apocalyptic number.

It is an amenable number.

20001000112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20001000112 is a wasteful number, since it uses less digits than its factorization.

20001000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40324636 (or 40324630 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20001000112 its reverse (21100010002), we get a palindrome (41101010114).

The spelling of 20001000112 in words is "twenty billion, one million, one hundred twelve", and thus it is an aban number.