20027093 has 8 divisors (see below), whose sum is σ = 20426520. Its totient is φ = 19630080.

The previous prime is 20027087. The next prime is 20027113. The reversal of 20027093 is 39072002.

It can be written as a sum of positive squares in 4 ways, for example, as 1304164 + 18722929 = 1142^2 + 4327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20027093 - 2²⁰ = 18978517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20027993) 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 7 ways as a sum of consecutive naturals, for example, 34421 + ... + 34997.

It is an arithmetic number, because the mean of its divisors is an integer number (2553315).

Almost surely, 2^20027093 is an apocalyptic number.

It is an amenable number.

20027093 is a deficient number, since it is larger than the sum of its proper divisors (399427).

20027093 is an equidigital number, since it uses as much as digits as its factorization.

20027093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 20027093 is about 4475.1640193405. The cubic root of 20027093 is about 271.5642758823.

Adding to 20027093 its reverse (39072002), we get a palindrome (59099095).

The spelling of 20027093 in words is "twenty million, twenty-seven thousand, ninety-three".