20001112999 has 8 divisors (see below), whose sum is σ = 22861639040. Its totient is φ = 17141393016.

The previous prime is 20001112997. The next prime is 20001113063. The reversal of 20001112999 is 99921110002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20001112999 - 2¹ = 20001112997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001112997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147369 + ... + 248434.

It is an arithmetic number, because the mean of its divisors is an integer number (2857704880).

Almost surely, 2^20001112999 is an apocalyptic number.

20001112999 is a deficient number, since it is larger than the sum of its proper divisors (2860526041).

20001112999 is an equidigital number, since it uses as much as digits as its factorization.

20001112999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403029.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 20001112999 in words is "twenty billion, one million, one hundred twelve thousand, nine hundred ninety-nine".