220532516 has 12 divisors (see below), whose sum is σ = 388523100. Its totient is φ = 109525920.

The previous prime is 220532513. The next prime is 220532519. The reversal of 220532516 is 615235022.

It is an interprime number because it is at equal distance from previous prime (220532513) and next prime (220532519).

It can be written as a sum of positive squares in 2 ways, for example, as 31360000 + 189172516 = 5600^2 + 13754^2 .

It is a super-2 number, since 2×220532516² = 97269181226580512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220532513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184415 + ... + 185606.

It is an arithmetic number, because the mean of its divisors is an integer number (32376925).

Almost surely, 2^220532516 is an apocalyptic number.

It is an amenable number.

220532516 is a deficient number, since it is larger than the sum of its proper divisors (167990584).

220532516 is a wasteful number, since it uses less digits than its factorization.

220532516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370174 (or 370172 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 220532516 is about 14850.3372352280. The cubic root of 220532516 is about 604.1677567152.

Adding to 220532516 its reverse (615235022), we get a palindrome (835767538).

The spelling of 220532516 in words is "two hundred twenty million, five hundred thirty-two thousand, five hundred sixteen".