220633066 has 8 divisors (see below), whose sum is σ = 345338784. Its totient is φ = 105520140.

The previous prime is 220633057. The next prime is 220633069. The reversal of 220633066 is 660336022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220633069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2398140 + ... + 2398231.

It is an arithmetic number, because the mean of its divisors is an integer number (43167348).

Almost surely, 2^220633066 is an apocalyptic number.

220633066 is a deficient number, since it is larger than the sum of its proper divisors (124705718).

220633066 is a wasteful number, since it uses less digits than its factorization.

220633066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796396.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 220633066 is about 14853.7222944284. The cubic root of 220633066 is about 604.2595645488.

Adding to 220633066 its reverse (660336022), we get a palindrome (880969088).

The spelling of 220633066 in words is "two hundred twenty million, six hundred thirty-three thousand, sixty-six".