220059989 has 4 divisors (see below), whose sum is σ = 220713324. Its totient is φ = 219406656.

The previous prime is 220059953. The next prime is 220060007. The reversal of 220059989 is 989950022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 29343889 + 190716100 = 5417^2 + 13810^2 .

It is a cyclic number.

It is not a de Polignac number, because 220059989 - 2¹² = 220055893 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 (220059589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326162 + ... + 326835.

It is an arithmetic number, because the mean of its divisors is an integer number (55178331).

Almost surely, 2^220059989 is an apocalyptic number.

It is an amenable number.

220059989 is a deficient number, since it is larger than the sum of its proper divisors (653335).

220059989 is an equidigital number, since it uses as much as digits as its factorization.

220059989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653334.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 220059989 is about 14834.4190651336. The cubic root of 220059989 is about 603.7359387295.

The spelling of 220059989 in words is "two hundred twenty million, fifty-nine thousand, nine hundred eighty-nine".