220560093 has 18 divisors (see below), whose sum is σ = 343343546. Its totient is φ = 135630432.

The previous prime is 220560089. The next prime is 220560103. The reversal of 220560093 is 390065022.

It can be written as a sum of positive squares in 3 ways, for example, as 129891609 + 90668484 = 11397^2 + 9522^2 .

It is not a de Polignac number, because 220560093 - 2² = 220560089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220560013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 159955 + ... + 161327.

Almost surely, 2^220560093 is an apocalyptic number.

It is an amenable number.

220560093 is a deficient number, since it is larger than the sum of its proper divisors (122783453).

220560093 is an equidigital number, since it uses as much as digits as its factorization.

220560093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 220560093 is about 14851.2657036362. The cubic root of 220560093 is about 604.1929388517.

The spelling of 220560093 in words is "two hundred twenty million, five hundred sixty thousand, ninety-three".