20032223 has 4 divisors (see below), whose sum is σ = 20083080. Its totient is φ = 19981368.

The previous prime is 20032193. The next prime is 20032237. The reversal of 20032223 is 32223002.

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 20032223 - 2¹⁴ = 20015839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20032198 and 20032207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032253) 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, 24833 + ... + 25626.

It is an arithmetic number, because the mean of its divisors is an integer number (5020770).

Almost surely, 2^20032223 is an apocalyptic number.

20032223 is a deficient number, since it is larger than the sum of its proper divisors (50857).

20032223 is an equidigital number, since it uses as much as digits as its factorization.

20032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50856.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 20032223 is about 4475.7371459906. The cubic root of 20032223 is about 271.5874612376.

Adding to 20032223 its reverse (32223002), we get a palindrome (52255225).

It can be divided in two parts, 200 and 32223, that added together give a palindrome (32423).

The spelling of 20032223 in words is "twenty million, thirty-two thousand, two hundred twenty-three".