220140353 has 2 divisors, whose sum is σ = 220140354. Its totient is φ = 220140352.

The previous prime is 220140317. The next prime is 220140377. The reversal of 220140353 is 353041022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173791489 + 46348864 = 13183^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 220140353 - 2⁸ = 220140097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (220140953) 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, 110070176 + 110070177.

It is an arithmetic number, because the mean of its divisors is an integer number (110070177).

Almost surely, 2^220140353 is an apocalyptic number.

It is an amenable number.

220140353 is a deficient number, since it is larger than the sum of its proper divisors (1).

220140353 is an equidigital number, since it uses as much as digits as its factorization.

220140353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 220140353 is about 14837.1275184923. The cubic root of 220140353 is about 603.8094228284.

Adding to 220140353 its reverse (353041022), we get a palindrome (573181375).

The spelling of 220140353 in words is "two hundred twenty million, one hundred forty thousand, three hundred fifty-three".