20144424023 has 8 divisors (see below), whose sum is σ = 21336896880. Its totient is φ = 18952785280.

The previous prime is 20144423977. The next prime is 20144424031. The reversal of 20144424023 is 32042444102.

It is a happy number.

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 20144424023 - 2¹² = 20144419927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20144423983 and 20144424001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144424323) 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, 158453 + ... + 255726.

It is an arithmetic number, because the mean of its divisors is an integer number (2667112110).

Almost surely, 2^20144424023 is an apocalyptic number.

20144424023 is a deficient number, since it is larger than the sum of its proper divisors (1192472857).

20144424023 is a wasteful number, since it uses less digits than its factorization.

20144424023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417057.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20144424023 its reverse (32042444102), we get a palindrome (52186868125).

The spelling of 20144424023 in words is "twenty billion, one hundred forty-four million, four hundred twenty-four thousand, twenty-three".