20112003231009 has 8 divisors (see below), whose sum is σ = 26816056627872. Its totient is φ = 13407975994080.

The previous prime is 20112003230981. The next prime is 20112003231049. The reversal of 20112003231009 is 90013230021102.

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

It is not a de Polignac number, because 20112003231009 - 2¹⁹ = 20112002706721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20112003231009.

It is not an unprimeable number, because it can be changed into a prime (20112003231049) 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, 4669684 + ... + 7875909.

It is an arithmetic number, because the mean of its divisors is an integer number (3352007078484).

Almost surely, 2^{20112003231009} is an apocalyptic number.

It is an amenable number.

20112003231009 is a deficient number, since it is larger than the sum of its proper divisors (6704053396863).

20112003231009 is a wasteful number, since it uses less digits than its factorization.

20112003231009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079967.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 20112003231009 in words is "twenty trillion, one hundred twelve billion, three million, two hundred thirty-one thousand, nine".