220488650 has 12 divisors (see below), whose sum is σ = 410108982. Its totient is φ = 88195440.

The previous prime is 220488643. The next prime is 220488659. The reversal of 220488650 is 56884022.

It can be written as a sum of positive squares in 3 ways, for example, as 182061049 + 38427601 = 13493^2 + 6199^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220488650.

It is not an unprimeable number, because it can be changed into a prime (220488659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2204837 + ... + 2204936.

Almost surely, 2^220488650 is an apocalyptic number.

220488650 is a deficient number, since it is larger than the sum of its proper divisors (189620332).

220488650 is a wasteful number, since it uses less digits than its factorization.

220488650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409785 (or 4409780 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 220488650 is about 14848.8602256200. The cubic root of 220488650 is about 604.1276958348.

The spelling of 220488650 in words is "two hundred twenty million, four hundred eighty-eight thousand, six hundred fifty".