220460666 has 8 divisors (see below), whose sum is σ = 331280064. Its totient is φ = 110033980.

The previous prime is 220460663. The next prime is 220460671. The reversal of 220460666 is 666064022.

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 (220460663) by changing a digit.

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, 96770 + ... + 99021.

It is an arithmetic number, because the mean of its divisors is an integer number (41410008).

Almost surely, 2^220460666 is an apocalyptic number.

220460666 is a deficient number, since it is larger than the sum of its proper divisors (110819398).

220460666 is a wasteful number, since it uses less digits than its factorization.

220460666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196356.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 220460666 is about 14847.9179011739. The cubic root of 220460666 is about 604.1021365075.

The spelling of 220460666 in words is "two hundred twenty million, four hundred sixty thousand, six hundred sixty-six".