220361536 has 28 divisors (see below), whose sum is σ = 438025540. Its totient is φ = 109992960.

The previous prime is 220361513. The next prime is 220361549. The reversal of 220361536 is 635163022.

It can be written as a sum of positive squares in 2 ways, for example, as 200505600 + 19855936 = 14160^2 + 4456^2 .

It is a congruent number.

It is an unprimeable number.

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, 39700 + ... + 44908.

Almost surely, 2^220361536 is an apocalyptic number.

It is an amenable number.

220361536 is a deficient number, since it is larger than the sum of its proper divisors (217664004).

220361536 is an equidigital number, since it uses as much as digits as its factorization.

220361536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 220361536 is about 14844.5793473577. The cubic root of 220361536 is about 604.0115782176.

The spelling of 220361536 in words is "two hundred twenty million, three hundred sixty-one thousand, five hundred thirty-six".