220681063 has 8 divisors (see below), whose sum is σ = 237623760. Its totient is φ = 204178560.

The previous prime is 220681009. The next prime is 220681081. The reversal of 220681063 is 360186022.

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

It is a cyclic number.

It is not a de Polignac number, because 220681063 - 2¹³ = 220672871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220681003) 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, 109008 + ... + 111013.

It is an arithmetic number, because the mean of its divisors is an integer number (29702970).

Almost surely, 2^220681063 is an apocalyptic number.

220681063 is a deficient number, since it is larger than the sum of its proper divisors (16942697).

220681063 is a wasteful number, since it uses less digits than its factorization.

220681063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220097.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 220681063 is about 14855.3378621962. The cubic root of 220681063 is about 604.3033786878.

The spelling of 220681063 in words is "two hundred twenty million, six hundred eighty-one thousand, sixty-three".