320020233 has 16 divisors (see below), whose sum is σ = 470205120. Its totient is φ = 192354624.

The previous prime is 320020193. The next prime is 320020243. The reversal of 320020233 is 332020023.

It is not a de Polignac number, because 320020233 - 2⁸ = 320019977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320020243) 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 15 ways as a sum of consecutive naturals, for example, 93738 + ... + 97091.

It is an arithmetic number, because the mean of its divisors is an integer number (29387820).

Almost surely, 2^320020233 is an apocalyptic number.

It is an amenable number.

320020233 is a deficient number, since it is larger than the sum of its proper divisors (150184887).

320020233 is a wasteful number, since it uses less digits than its factorization.

320020233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190888.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 320020233 is about 17889.1093406016. The cubic root of 320020233 is about 684.0047941766.

Adding to 320020233 its reverse (332020023), we get a palindrome (652040256).

The spelling of 320020233 in words is "three hundred twenty million, twenty thousand, two hundred thirty-three".