220316689 has 6 divisors (see below), whose sum is σ = 223991430. Its totient is φ = 216701280.

The previous prime is 220316669. The next prime is 220316693. The reversal of 220316689 is 986613022.

It can be written as a sum of positive squares in 3 ways, for example, as 6718464 + 213598225 = 2592^2 + 14615^2 .

It is not a de Polignac number, because 220316689 - 2¹¹ = 220314641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220316669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25884 + ... + 33325.

It is an arithmetic number, because the mean of its divisors is an integer number (37331905).

Almost surely, 2^220316689 is an apocalyptic number.

It is an amenable number.

220316689 is a deficient number, since it is larger than the sum of its proper divisors (3674741).

220316689 is an frugal number, since it uses more digits than its factorization.

220316689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59331 (or 59270 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 220316689 is about 14843.0687191025. The cubic root of 220316689 is about 603.9706001873.

The spelling of 220316689 in words is "two hundred twenty million, three hundred sixteen thousand, six hundred eighty-nine".