20236093 has 4 divisors (see below), whose sum is σ = 20285980. Its totient is φ = 20186208.

The previous prime is 20236091. The next prime is 20236123. The reversal of 20236093 is 39063202.

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 12096484 + 8139609 = 3478^2 + 2853^2 .

It is a cyclic number.

It is not a de Polignac number, because 20236093 - 2¹ = 20236091 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 (20236091) 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, 24330 + ... + 25147.

It is an arithmetic number, because the mean of its divisors is an integer number (5071495).

Almost surely, 2^20236093 is an apocalyptic number.

It is an amenable number.

20236093 is a deficient number, since it is larger than the sum of its proper divisors (49887).

20236093 is an equidigital number, since it uses as much as digits as its factorization.

20236093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49886.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 20236093 is about 4498.4545123853. The cubic root of 20236093 is about 272.5056778549.

Adding to 20236093 its reverse (39063202), we get a palindrome (59299295).

The spelling of 20236093 in words is "twenty million, two hundred thirty-six thousand, ninety-three".