220770093 has 4 divisors (see below), whose sum is σ = 294360128. Its totient is φ = 147180060.

The previous prime is 220770089. The next prime is 220770119. The reversal of 220770093 is 390077022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 220770093 - 2² = 220770089 is a prime.

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 220770093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220770013) 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, 36795013 + ... + 36795018.

It is an arithmetic number, because the mean of its divisors is an integer number (73590032).

Almost surely, 2^220770093 is an apocalyptic number.

It is an amenable number.

220770093 is a deficient number, since it is larger than the sum of its proper divisors (73590035).

220770093 is an equidigital number, since it uses as much as digits as its factorization.

220770093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73590034.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 220770093 is about 14858.3341260048. The cubic root of 220770093 is about 604.3846330489.

The spelling of 220770093 in words is "two hundred twenty million, seven hundred seventy thousand, ninety-three".