20334423 has 16 divisors (see below), whose sum is σ = 28810080. Its totient is φ = 12733056.

The previous prime is 20334403. The next prime is 20334437. The reversal of 20334423 is 32443302.

It is not a de Polignac number, because 20334423 - 2²⁴ = 3557207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20334423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61 + ... + 6377.

It is an arithmetic number, because the mean of its divisors is an integer number (1800630).

Almost surely, 2^20334423 is an apocalyptic number.

20334423 is a deficient number, since it is larger than the sum of its proper divisors (8475657).

20334423 is a wasteful number, since it uses less digits than its factorization.

20334423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6386.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 20334423 is about 4509.3705769209. The cubic root of 20334423 is about 272.9463459076.

Adding to 20334423 its reverse (32443302), we get a palindrome (52777725).

The spelling of 20334423 in words is "twenty million, three hundred thirty-four thousand, four hundred twenty-three".