220641713 has 2 divisors, whose sum is σ = 220641714. Its totient is φ = 220641712.

The previous prime is 220641709. The next prime is 220641719. The reversal of 220641713 is 317146022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134838544 + 85803169 = 11612^2 + 9263^2 .

It is a cyclic number.

It is not a de Polignac number, because 220641713 - 2² = 220641709 is a prime.

It is not a weakly prime, because it can be changed into another prime (220641719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110320856 + 110320857.

It is an arithmetic number, because the mean of its divisors is an integer number (110320857).

Almost surely, 2^220641713 is an apocalyptic number.

It is an amenable number.

220641713 is a deficient number, since it is larger than the sum of its proper divisors (1).

220641713 is an equidigital number, since it uses as much as digits as its factorization.

220641713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 220641713 is about 14854.0133633978. The cubic root of 220641713 is about 604.2674584459.

Adding to 220641713 its reverse (317146022), we get a palindrome (537787735).

The spelling of 220641713 in words is "two hundred twenty million, six hundred forty-one thousand, seven hundred thirteen".