220568941 has 4 divisors (see below), whose sum is σ = 220618300. Its totient is φ = 220519584.

The previous prime is 220568939. The next prime is 220568947. The reversal of 220568941 is 149865022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143304841 + 77264100 = 11971^2 + 8790^2 .

It is a cyclic number.

It is not a de Polignac number, because 220568941 - 2¹ = 220568939 is a prime.

It is a super-2 number, since 2×220568941² = 97301315467722962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220568941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220568947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17226 + ... + 27163.

It is an arithmetic number, because the mean of its divisors is an integer number (55154575).

Almost surely, 2^220568941 is an apocalyptic number.

It is an amenable number.

220568941 is a deficient number, since it is larger than the sum of its proper divisors (49359).

220568941 is an equidigital number, since it uses as much as digits as its factorization.

220568941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49358.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 220568941 is about 14851.5635877170. The cubic root of 220568941 is about 604.2010180220.

The spelling of 220568941 in words is "two hundred twenty million, five hundred sixty-eight thousand, nine hundred forty-one".