220500513 has 6 divisors (see below), whose sum is σ = 318500754. Its totient is φ = 147000336.

The previous prime is 220500503. The next prime is 220500521. The reversal of 220500513 is 315005022.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 150994944 + 69505569 = 12288^2 + 8337^2 .

It is not a de Polignac number, because 220500513 - 2¹² = 220496417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220500503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12250020 + ... + 12250037.

It is an arithmetic number, because the mean of its divisors is an integer number (53083459).

Almost surely, 2^220500513 is an apocalyptic number.

It is an amenable number.

220500513 is a deficient number, since it is larger than the sum of its proper divisors (98000241).

220500513 is a wasteful number, since it uses less digits than its factorization.

220500513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24500063 (or 24500060 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 220500513 is about 14849.2596785160. The cubic root of 220500513 is about 604.1385303129.

Adding to 220500513 its reverse (315005022), we get a palindrome (535505535).

The spelling of 220500513 in words is "two hundred twenty million, five hundred thousand, five hundred thirteen".