220013311 has 4 divisors (see below), whose sum is σ = 251443792. Its totient is φ = 188582832.

The previous prime is 220013273. The next prime is 220013317. The reversal of 220013311 is 113310022.

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

It is a cyclic number.

It is not a de Polignac number, because 220013311 - 2¹³ = 220005119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220013291 and 220013300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013317) 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, 15715230 + ... + 15715243.

It is an arithmetic number, because the mean of its divisors is an integer number (62860948).

Almost surely, 2^220013311 is an apocalyptic number.

220013311 is a deficient number, since it is larger than the sum of its proper divisors (31430481).

220013311 is an equidigital number, since it uses as much as digits as its factorization.

220013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31430480.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 220013311 is about 14832.8456811227. The cubic root of 220013311 is about 603.6932485839.

Adding to 220013311 its reverse (113310022), we get a palindrome (333323333).

The spelling of 220013311 in words is "two hundred twenty million, thirteen thousand, three hundred eleven".