220469093 has 4 divisors (see below), whose sum is σ = 237428268. Its totient is φ = 203509920.

The previous prime is 220469089. The next prime is 220469143. The reversal of 220469093 is 390964022.

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 58721569 + 161747524 = 7663^2 + 12718^2 .

It is a cyclic number.

It is not a de Polignac number, because 220469093 - 2² = 220469089 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220469003) 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, 8479568 + ... + 8479593.

It is an arithmetic number, because the mean of its divisors is an integer number (59357067).

Almost surely, 2^220469093 is an apocalyptic number.

It is an amenable number.

220469093 is a deficient number, since it is larger than the sum of its proper divisors (16959175).

220469093 is a wasteful number, since it uses less digits than its factorization.

220469093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16959174.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 220469093 is about 14848.2016756239. The cubic root of 220469093 is about 604.1098335780.

The spelling of 220469093 in words is "two hundred twenty million, four hundred sixty-nine thousand, ninety-three".