220220033213 has 4 divisors (see below), whose sum is σ = 220221866940. Its totient is φ = 220218199488.

The previous prime is 220220033191. The next prime is 220220033227. The reversal of 220220033213 is 312330022022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 134276074969 + 85943958244 = 366437^2 + 293162^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220033213 - 2²⁰ = 220218984637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220033713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723068 + ... + 981461.

It is an arithmetic number, because the mean of its divisors is an integer number (55055466735).

Almost surely, 2^220220033213 is an apocalyptic number.

It is an amenable number.

220220033213 is a deficient number, since it is larger than the sum of its proper divisors (1833727).

220220033213 is a wasteful number, since it uses less digits than its factorization.

220220033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833726.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220220033213 its reverse (312330022022), we get a palindrome (532550055235).

The spelling of 220220033213 in words is "two hundred twenty billion, two hundred twenty million, thirty-three thousand, two hundred thirteen".