20112443119 has 4 divisors (see below), whose sum is σ = 20117735496. Its totient is φ = 20107150744.

The previous prime is 20112443111. The next prime is 20112443171. The reversal of 20112443119 is 91134421102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20112443119 - 2³ = 20112443111 is a prime.

It is a super-2 number, since 2×20112443119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112443111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640484 + ... + 2648089.

It is an arithmetic number, because the mean of its divisors is an integer number (5029433874).

Almost surely, 2^20112443119 is an apocalyptic number.

20112443119 is a deficient number, since it is larger than the sum of its proper divisors (5292377).

20112443119 is an equidigital number, since it uses as much as digits as its factorization.

20112443119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292376.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20112443119 in words is "twenty billion, one hundred twelve million, four hundred forty-three thousand, one hundred nineteen".