220102093 has 4 divisors (see below), whose sum is σ = 220446108. Its totient is φ = 219758080.

The previous prime is 220102027. The next prime is 220102117. The reversal of 220102093 is 390201022.

It is a happy number.

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 174160809 + 45941284 = 13197^2 + 6778^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102093 - 2¹³ = 220093901 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 220102093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220102013) 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, 171046 + ... + 172327.

It is an arithmetic number, because the mean of its divisors is an integer number (55111527).

Almost surely, 2^220102093 is an apocalyptic number.

It is an amenable number.

220102093 is a deficient number, since it is larger than the sum of its proper divisors (344015).

220102093 is an equidigital number, since it uses as much as digits as its factorization.

220102093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344014.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 220102093 is about 14835.8381293407. The cubic root of 220102093 is about 603.7744404688.

The spelling of 220102093 in words is "two hundred twenty million, one hundred two thousand, ninety-three".