20014423 has 16 divisors (see below), whose sum is σ = 24899616. Its totient is φ = 15805440.

The previous prime is 20014381. The next prime is 20014427. The reversal of 20014423 is 32441002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20014423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20014397 and 20014406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1686 + ... + 6547.

It is an arithmetic number, because the mean of its divisors is an integer number (1556226).

Almost surely, 2^20014423 is an apocalyptic number.

20014423 is a deficient number, since it is larger than the sum of its proper divisors (4885193).

20014423 is a wasteful number, since it uses less digits than its factorization.

20014423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20014423 is about 4473.7482048055. The cubic root of 20014423 is about 271.5069960562.

Adding to 20014423 its reverse (32441002), we get a palindrome (52455425).

The spelling of 20014423 in words is "twenty million, fourteen thousand, four hundred twenty-three".