220688063 has 4 divisors (see below), whose sum is σ = 220723968. Its totient is φ = 220652160.

The previous prime is 220688029. The next prime is 220688081. The reversal of 220688063 is 360886022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220688063 - 2¹⁰ = 220687039 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 (220688003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6143 + ... + 21888.

It is an arithmetic number, because the mean of its divisors is an integer number (55180992).

Almost surely, 2^220688063 is an apocalyptic number.

220688063 is a deficient number, since it is larger than the sum of its proper divisors (35905).

220688063 is an equidigital number, since it uses as much as digits as its factorization.

220688063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35904.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 220688063 is about 14855.5734658747. The cubic root of 220688063 is about 604.3097681183.

The spelling of 220688063 in words is "two hundred twenty million, six hundred eighty-eight thousand, sixty-three".