220333313 has 4 divisors (see below), whose sum is σ = 220363860. Its totient is φ = 220302768.

The previous prime is 220333283. The next prime is 220333331. The reversal of 220333313 is 313333022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 204833344 + 15499969 = 14312^2 + 3937^2 .

It is a cyclic number.

It is not a de Polignac number, because 220333313 - 2¹² = 220329217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220333343) 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, 2243 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (55090965).

Almost surely, 2^220333313 is an apocalyptic number.

It is an amenable number.

220333313 is a deficient number, since it is larger than the sum of its proper divisors (30547).

220333313 is a wasteful number, since it uses less digits than its factorization.

220333313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30546.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 220333313 is about 14843.6287005570. The cubic root of 220333313 is about 603.9857906764.

Adding to 220333313 its reverse (313333022), we get a palindrome (533666335).

The spelling of 220333313 in words is "two hundred twenty million, three hundred thirty-three thousand, three hundred thirteen".