220064986 has 8 divisors (see below), whose sum is σ = 331479360. Its totient is φ = 109571868.

The previous prime is 220064981. The next prime is 220065029. The reversal of 220064986 is 689460022.

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 (220064981) 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, 229716 + ... + 230671.

It is an arithmetic number, because the mean of its divisors is an integer number (41434920).

Almost surely, 2^220064986 is an apocalyptic number.

220064986 is a deficient number, since it is larger than the sum of its proper divisors (111414374).

220064986 is a wasteful number, since it uses less digits than its factorization.

220064986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460628.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 220064986 is about 14834.5874900518. The cubic root of 220064986 is about 603.7405084617.

The spelling of 220064986 in words is "two hundred twenty million, sixty-four thousand, nine hundred eighty-six".