220340741 has 2 divisors, whose sum is σ = 220340742. Its totient is φ = 220340740.

The previous prime is 220340719. The next prime is 220340773. The reversal of 220340741 is 147043022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140327716 + 80013025 = 11846^2 + 8945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220340741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220340941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110170370 + 110170371.

It is an arithmetic number, because the mean of its divisors is an integer number (110170371).

Almost surely, 2^220340741 is an apocalyptic number.

It is an amenable number.

220340741 is a deficient number, since it is larger than the sum of its proper divisors (1).

220340741 is an equidigital number, since it uses as much as digits as its factorization.

220340741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 220340741 is about 14843.8789068087. The cubic root of 220340741 is about 603.9925779025.

Adding to 220340741 its reverse (147043022), we get a palindrome (367383763).

The spelling of 220340741 in words is "two hundred twenty million, three hundred forty thousand, seven hundred forty-one".