20334023 has 4 divisors (see below), whose sum is σ = 21530160. Its totient is φ = 19137888.

The previous prime is 20334007. The next prime is 20334049. The reversal of 20334023 is 32043302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32043302 = 2 ⋅16021651.

It is a cyclic number.

It is not a de Polignac number, because 20334023 - 2⁴ = 20334007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 1196119 = 20334023 / (2 + 0 + 3 + 3 + 4 + 0 + 2 + 3).

It is a junction number, because it is equal to n+sod(n) for n = 20333992 and 20334010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334823) 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 3 ways as a sum of consecutive naturals, for example, 598043 + ... + 598076.

It is an arithmetic number, because the mean of its divisors is an integer number (5382540).

Almost surely, 2^20334023 is an apocalyptic number.

20334023 is a deficient number, since it is larger than the sum of its proper divisors (1196137).

20334023 is a wasteful number, since it uses less digits than its factorization.

20334023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196136.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 20334023 is about 4509.3262246149. The cubic root of 20334023 is about 272.9445561797.

Adding to 20334023 its reverse (32043302), we get a palindrome (52377325).

The spelling of 20334023 in words is "twenty million, three hundred thirty-four thousand, twenty-three".