220502005 has 8 divisors (see below), whose sum is σ = 264939192. Its totient is φ = 176177088.

The previous prime is 220502003. The next prime is 220502017. The reversal of 220502005 is 500205022.

It can be written as a sum of positive squares in 4 ways, for example, as 4088484 + 216413521 = 2022^2 + 14711^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220502005 - 2¹ = 220502003 is a prime.

It is a super-2 number, since 2×220502005² = 97242268418040050, which contains 22 as substring.

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 220502005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220502003) 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, 23682 + ... + 31651.

It is an arithmetic number, because the mean of its divisors is an integer number (33117399).

Almost surely, 2^220502005 is an apocalyptic number.

It is an amenable number.

220502005 is a deficient number, since it is larger than the sum of its proper divisors (44437187).

220502005 is an equidigital number, since it uses as much as digits as its factorization.

220502005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56135.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 220502005 is about 14849.3099166258. The cubic root of 220502005 is about 604.1398929290.

Adding to 220502005 its reverse (500205022), we get a palindrome (720707027).

The spelling of 220502005 in words is "two hundred twenty million, five hundred two thousand, five".