220066064 has 10 divisors (see below), whose sum is σ = 426378030. Its totient is φ = 110033024.

The previous prime is 220066061. The next prime is 220066073. The reversal of 220066064 is 460660022.

It can be written as a sum of positive squares in only one way, i.e., 190992400 + 29073664 = 13820^2 + 5392^2 .

It is not an unprimeable number, because it can be changed into a prime (220066061) 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 as a sum of consecutive naturals, namely, 6877049 + ... + 6877080.

It is an arithmetic number, because the mean of its divisors is an integer number (42637803).

Almost surely, 2^220066064 is an apocalyptic number.

It is an amenable number.

220066064 is a deficient number, since it is larger than the sum of its proper divisors (206311966).

220066064 is a wasteful number, since it uses less digits than its factorization.

220066064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13754137 (or 13754131 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 220066064 is about 14834.6238240139. The cubic root of 220066064 is about 603.7414942784.

The spelling of 220066064 in words is "two hundred twenty million, sixty-six thousand, sixty-four".