20443042119 has 8 divisors (see below), whose sum is σ = 27258100720. Its totient is φ = 13628339136.

The previous prime is 20443042093. The next prime is 20443042159. The reversal of 20443042119 is 91124034402.

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

It is not a de Polignac number, because 20443042119 - 2⁷ = 20443041991 is a prime.

It is a super-2 number, since 2×20443042119² (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 (20443042159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106737 + ... + 228645.

It is an arithmetic number, because the mean of its divisors is an integer number (3407262590).

Almost surely, 2^20443042119 is an apocalyptic number.

20443042119 is a deficient number, since it is larger than the sum of its proper divisors (6815058601).

20443042119 is a wasteful number, since it uses less digits than its factorization.

20443042119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177809.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 20443042119 in words is "twenty billion, four hundred forty-three million, forty-two thousand, one hundred nineteen".