220203023 has 4 divisors (see below), whose sum is σ = 233156160. Its totient is φ = 207249888.

The previous prime is 220203017. The next prime is 220203031. The reversal of 220203023 is 320302022.

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 220203023 - 2⁴ = 220203007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220202989 and 220203007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220203523) 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, 6476543 + ... + 6476576.

It is an arithmetic number, because the mean of its divisors is an integer number (58289040).

Almost surely, 2^220203023 is an apocalyptic number.

220203023 is a deficient number, since it is larger than the sum of its proper divisors (12953137).

220203023 is a wasteful number, since it uses less digits than its factorization.

220203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12953136.

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

The square root of 220203023 is about 14839.2392999102. The cubic root of 220203023 is about 603.8667152871.

Adding to 220203023 its reverse (320302022), we get a palindrome (540505045).

The spelling of 220203023 in words is "two hundred twenty million, two hundred three thousand, twenty-three".