20030223 has 4 divisors (see below), whose sum is σ = 26706968. Its totient is φ = 13353480.

The previous prime is 20030207. The next prime is 20030239. The reversal of 20030223 is 32203002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20030207) and next prime (20030239).

It is not a de Polignac number, because 20030223 - 2⁴ = 20030207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20030199 and 20030208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030203) 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, 3338368 + ... + 3338373.

It is an arithmetic number, because the mean of its divisors is an integer number (6676742).

Almost surely, 2^20030223 is an apocalyptic number.

20030223 is a deficient number, since it is larger than the sum of its proper divisors (6676745).

20030223 is an equidigital number, since it uses as much as digits as its factorization.

20030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676744.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 20030223 is about 4475.5137135305. The cubic root of 20030223 is about 271.5784225836.

Adding to 20030223 its reverse (32203002), we get a palindrome (52233225).

The spelling of 20030223 in words is "twenty million, thirty thousand, two hundred twenty-three".