220332013 has 4 divisors (see below), whose sum is σ = 240362208. Its totient is φ = 200301820.

The previous prime is 220331989. The next prime is 220332017. The reversal of 220332013 is 310233022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220332013 - 2¹³ = 220323821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220332017) 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, 10015081 + ... + 10015102.

It is an arithmetic number, because the mean of its divisors is an integer number (60090552).

Almost surely, 2^220332013 is an apocalyptic number.

It is an amenable number.

220332013 is a deficient number, since it is larger than the sum of its proper divisors (20030195).

220332013 is a wasteful number, since it uses less digits than its factorization.

220332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20030194.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 220332013 is about 14843.5849106609. The cubic root of 220332013 is about 603.9846028047.

Adding to 220332013 its reverse (310233022), we get a palindrome (530565035).

It can be divided in two parts, 220 and 332013, that added together give a palindrome (332233).

The spelling of 220332013 in words is "two hundred twenty million, three hundred thirty-two thousand, thirteen".