220008539 has 2 divisors, whose sum is σ = 220008540. Its totient is φ = 220008538.

The previous prime is 220008533. The next prime is 220008541. The reversal of 220008539 is 935800022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220008539 is a prime.

Together with 220008541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220008533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110004269 + 110004270.

It is an arithmetic number, because the mean of its divisors is an integer number (110004270).

Almost surely, 2^220008539 is an apocalyptic number.

220008539 is a deficient number, since it is larger than the sum of its proper divisors (1).

220008539 is an equidigital number, since it uses as much as digits as its factorization.

220008539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 220008539 is about 14832.6848210295. The cubic root of 220008539 is about 603.6888839313.

The spelling of 220008539 in words is "two hundred twenty million, eight thousand, five hundred thirty-nine".