20330023 has 8 divisors (see below), whose sum is σ = 23298048. Its totient is φ = 17377944.

The previous prime is 20329993. The next prime is 20330047. The reversal of 20330023 is 32003302.

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 20330023 - 2⁹ = 20329511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20329985 and 20330012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330083) 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 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (2912256).

Almost surely, 2^20330023 is an apocalyptic number.

20330023 is a deficient number, since it is larger than the sum of its proper divisors (2968025).

20330023 is an equidigital number, since it uses as much as digits as its factorization.

20330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7973.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 20330023 is about 4508.8826775599. The cubic root of 20330023 is about 272.9266576094.

Adding to 20330023 its reverse (32003302), we get a palindrome (52333325).

The spelling of 20330023 in words is "twenty million, three hundred thirty thousand, twenty-three".