220136516 has 12 divisors (see below), whose sum is σ = 389568060. Its totient is φ = 108831360.

The previous prime is 220136513. The next prime is 220136531. The reversal of 220136516 is 615631022.

It can be written as a sum of positive squares in 2 ways, for example, as 15760900 + 204375616 = 3970^2 + 14296^2 .

It is not an unprimeable number, because it can be changed into a prime (220136513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308825 + ... + 309536.

It is an arithmetic number, because the mean of its divisors is an integer number (32464005).

Almost surely, 2^220136516 is an apocalyptic number.

It is an amenable number.

220136516 is a deficient number, since it is larger than the sum of its proper divisors (169431544).

220136516 is a wasteful number, since it uses less digits than its factorization.

220136516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618454 (or 618452 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 220136516 is about 14836.9982139245. The cubic root of 220136516 is about 603.8059147177.

Adding to 220136516 its reverse (615631022), we get a palindrome (835767538).

The spelling of 220136516 in words is "two hundred twenty million, one hundred thirty-six thousand, five hundred sixteen".