220043066 has 16 divisors (see below), whose sum is σ = 351345600. Its totient is φ = 103058208.

The previous prime is 220043063. The next prime is 220043071. The reversal of 220043066 is 660340022.

It is not an unprimeable number, because it can be changed into a prime (220043063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29150 + ... + 35913.

It is an arithmetic number, because the mean of its divisors is an integer number (21959100).

Almost surely, 2^220043066 is an apocalyptic number.

220043066 is a deficient number, since it is larger than the sum of its proper divisors (131302534).

220043066 is a wasteful number, since it uses less digits than its factorization.

220043066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65173.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 220043066 is about 14833.8486577152. The cubic root of 220043066 is about 603.7204622144.

Adding to 220043066 its reverse (660340022), we get a palindrome (880383088).

The spelling of 220043066 in words is "two hundred twenty million, forty-three thousand, sixty-six".