220093 has 4 divisors (see below), whose sum is σ = 222460. Its totient is φ = 217728.

The previous prime is 220063. The next prime is 220123. The reversal of 220093 is 390022.

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

It is an interprime number because it is at equal distance from previous prime (220063) and next prime (220123).

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 174724 = 213^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 220093 - 2¹⁷ = 89021 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220013) 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 in 3 ways as a sum of consecutive naturals, for example, 1038 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (55615).

2²²⁰⁰⁹³ is an apocalyptic number.

It is an amenable number.

220093 is a deficient number, since it is larger than the sum of its proper divisors (2367).

220093 is an equidigital number, since it uses as much as digits as its factorization.

220093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 220093 is about 469.1407038405. The cubic root of 220093 is about 60.3766125848.

It can be divided in two parts, 2 and 20093, that multiplied together give a triangular number (40186 = T₂₈₃).

The spelling of 220093 in words is "two hundred twenty thousand, ninety-three".