20441242423 has 8 divisors (see below), whose sum is σ = 23445759392. Its totient is φ = 17457810336.

The previous prime is 20441242411. The next prime is 20441242447. The reversal of 20441242423 is 32424214402.

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 20441242423 - 2¹⁷ = 20441111351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20441242391 and 20441242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441242403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269140 + ... + 5273017.

It is an arithmetic number, because the mean of its divisors is an integer number (2930719924).

Almost surely, 2^20441242423 is an apocalyptic number.

20441242423 is a deficient number, since it is larger than the sum of its proper divisors (3004516969).

20441242423 is a wasteful number, since it uses less digits than its factorization.

20441242423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10542441.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20441242423 its reverse (32424214402), we get a palindrome (52865456825).

The spelling of 20441242423 in words is "twenty billion, four hundred forty-one million, two hundred forty-two thousand, four hundred twenty-three".