220006200644 has 12 divisors (see below), whose sum is σ = 385014904764. Its totient is φ = 110001942144.

The previous prime is 220006200607. The next prime is 220006200709. The reversal of 220006200644 is 446002600022.

It can be written as a sum of positive squares in 2 ways, for example, as 175426945600 + 44579255044 = 418840^2 + 211138^2 .

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, 249272 + ... + 708624.

It is an arithmetic number, because the mean of its divisors is an integer number (32084575397).

Almost surely, 2^220006200644 is an apocalyptic number.

It is an amenable number.

220006200644 is a deficient number, since it is larger than the sum of its proper divisors (165008704120).

220006200644 is a wasteful number, since it uses less digits than its factorization.

220006200644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579094 (or 579092 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 220006200644 its reverse (446002600022), we get a palindrome (666008800666).

The spelling of 220006200644 in words is "two hundred twenty billion, six million, two hundred thousand, six hundred forty-four".