220530603136 has 32 divisors (see below), whose sum is σ = 439613134380. Its totient is φ = 110196326400.

The previous prime is 220530603119. The next prime is 220530603149. The reversal of 220530603136 is 631306035022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 168710633536 + 51819969600 = 410744^2 + 227640^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 220530603098 and 220530603107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333141 + ... + 742996.

Almost surely, 2^220530603136 is an apocalyptic number.

It is an amenable number.

220530603136 is a deficient number, since it is larger than the sum of its proper divisors (219082531244).

220530603136 is a wasteful number, since it uses less digits than its factorization.

220530603136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077752 (or 1077740 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 220530603136 its reverse (631306035022), we get a palindrome (851836638158).

The spelling of 220530603136 in words is "two hundred twenty billion, five hundred thirty million, six hundred three thousand, one hundred thirty-six".