8218330203 has 4 divisors (see below), whose sum is σ = 10957773608. Its totient is φ = 5478886800.

The previous prime is 8218330199. The next prime is 8218330217. The reversal of 8218330203 is 3020338128.

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

It is not a de Polignac number, because 8218330203 - 2² = 8218330199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8218330273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369721698 + ... + 1369721703.

It is an arithmetic number, because the mean of its divisors is an integer number (2739443402).

Almost surely, 2^8218330203 is an apocalyptic number.

8218330203 is a deficient number, since it is larger than the sum of its proper divisors (2739443405).

8218330203 is a wasteful number, since it uses less digits than its factorization.

8218330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739443404.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 8218330203 is about 90655.0064971593. The cubic root of 8218330203 is about 2018.0311341576.

The spelling of 8218330203 in words is "eight billion, two hundred eighteen million, three hundred thirty thousand, two hundred three".