220340117 has 2 divisors, whose sum is σ = 220340118. Its totient is φ = 220340116.

The previous prime is 220340053. The next prime is 220340119. The reversal of 220340117 is 711043022.

220340117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172370641 + 47969476 = 13129^2 + 6926^2 .

It is a cyclic number.

It is not a de Polignac number, because 220340117 - 2⁶ = 220340053 is a prime.

Together with 220340119, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220340119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110170058 + 110170059.

It is an arithmetic number, because the mean of its divisors is an integer number (110170059).

Almost surely, 2^220340117 is an apocalyptic number.

It is an amenable number.

220340117 is a deficient number, since it is larger than the sum of its proper divisors (1).

220340117 is an equidigital number, since it uses as much as digits as its factorization.

220340117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 220340117 is about 14843.8578880290. The cubic root of 220340117 is about 603.9920077375.

Adding to 220340117 its reverse (711043022), we get a palindrome (931383139).

The spelling of 220340117 in words is "two hundred twenty million, three hundred forty thousand, one hundred seventeen".