20004014423 has 4 divisors (see below), whose sum is σ = 20228778720. Its totient is φ = 19779250128.

The previous prime is 20004014419. The next prime is 20004014453. The reversal of 20004014423 is 32441040002.

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 20004014423 - 2² = 20004014419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20004014395 and 20004014404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004014453) 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, 112382015 + ... + 112382192.

It is an arithmetic number, because the mean of its divisors is an integer number (5057194680).

Almost surely, 2^20004014423 is an apocalyptic number.

20004014423 is a deficient number, since it is larger than the sum of its proper divisors (224764297).

20004014423 is an equidigital number, since it uses as much as digits as its factorization.

20004014423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224764296.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20004014423 its reverse (32441040002), we get a palindrome (52445054425).

The spelling of 20004014423 in words is "twenty billion, four million, fourteen thousand, four hundred twenty-three".