220066242 has 16 divisors (see below), whose sum is σ = 480144672. Its totient is φ = 66686720.

The previous prime is 220066237. The next prime is 220066279. The reversal of 220066242 is 242660022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667103 + ... + 1667234.

It is an arithmetic number, because the mean of its divisors is an integer number (30009042).

Almost surely, 2^220066242 is an apocalyptic number.

220066242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220066242 is an abundant number, since it is smaller than the sum of its proper divisors (260078430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220066242 is a wasteful number, since it uses less digits than its factorization.

220066242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334353.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 220066242 is about 14834.6298234907. The cubic root of 220066242 is about 603.7416570567.

The spelling of 220066242 in words is "two hundred twenty million, sixty-six thousand, two hundred forty-two".