220513211 has 8 divisors (see below), whose sum is σ = 226201248. Its totient is φ = 214840000.

The previous prime is 220513201. The next prime is 220513219. The reversal of 220513211 is 112315022.

It is a happy number.

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

It is not a de Polignac number, because 220513211 - 2¹⁴ = 220496827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220513211.

It is not an unprimeable number, because it can be changed into a prime (220513219) 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, 30386 + ... + 36936.

It is an arithmetic number, because the mean of its divisors is an integer number (28275156).

Almost surely, 2^220513211 is an apocalyptic number.

220513211 is a deficient number, since it is larger than the sum of its proper divisors (5688037).

220513211 is an equidigital number, since it uses as much as digits as its factorization.

220513211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7413.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 220513211 is about 14849.6872357636. The cubic root of 220513211 is about 604.1501269659.

Adding to 220513211 its reverse (112315022), we get a palindrome (332828233).

The spelling of 220513211 in words is "two hundred twenty million, five hundred thirteen thousand, two hundred eleven".