220041901 has 2 divisors, whose sum is σ = 220041902. Its totient is φ = 220041900.

The previous prime is 220041893. The next prime is 220041919. The reversal of 220041901 is 109140022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208658025 + 11383876 = 14445^2 + 3374^2 .

It is a cyclic number.

It is not a de Polignac number, because 220041901 - 2³ = 220041893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220041961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110020950 + 110020951.

It is an arithmetic number, because the mean of its divisors is an integer number (110020951).

Almost surely, 2^220041901 is an apocalyptic number.

It is an amenable number.

220041901 is a deficient number, since it is larger than the sum of its proper divisors (1).

220041901 is an equidigital number, since it uses as much as digits as its factorization.

220041901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 220041901 is about 14833.8093893646. The cubic root of 220041901 is about 603.7193967630.

Adding to 220041901 its reverse (109140022), we get a palindrome (329181923).

The spelling of 220041901 in words is "two hundred twenty million, forty-one thousand, nine hundred one".