220066232 has 32 divisors (see below), whose sum is σ = 424887120. Its totient is φ = 106778880.

The previous prime is 220066219. The next prime is 220066237. The reversal of 220066232 is 232660022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220066198 and 220066207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220066237) 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, 153503 + ... + 154929.

Almost surely, 2^220066232 is an apocalyptic number.

It is an amenable number.

220066232 is a deficient number, since it is larger than the sum of its proper divisors (204820888).

220066232 is a wasteful number, since it uses less digits than its factorization.

220066232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1987 counting only the distinct ones).

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

The square root of 220066232 is about 14834.6294864415. The cubic root of 220066232 is about 603.7416479119.

The spelling of 220066232 in words is "two hundred twenty million, sixty-six thousand, two hundred thirty-two".