220320213 has 8 divisors (see below), whose sum is σ = 295044000. Its totient is φ = 146238288.

The previous prime is 220320203. The next prime is 220320223. The reversal of 220320213 is 312023022.

220320213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220320203) and next prime (220320223).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220320213 - 2¹⁰ = 220319189 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220320192 and 220320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220320203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159663 + ... + 161036.

It is an arithmetic number, because the mean of its divisors is an integer number (36880500).

Almost surely, 2^220320213 is an apocalyptic number.

It is an amenable number.

220320213 is a deficient number, since it is larger than the sum of its proper divisors (74723787).

220320213 is a wasteful number, since it uses less digits than its factorization.

220320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320931.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 220320213 is about 14843.1874272341. The cubic root of 220320213 is about 603.9738203717.

Adding to 220320213 its reverse (312023022), we get a palindrome (532343235).

The spelling of 220320213 in words is "two hundred twenty million, three hundred twenty thousand, two hundred thirteen".