20090027 has 2 divisors, whose sum is σ = 20090028. Its totient is φ = 20090026.

The previous prime is 20089981. The next prime is 20090053. The reversal of 20090027 is 72009002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20090027 - 2⁶ = 20089963 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20089990 and 20090008.

It is not a weakly prime, because it can be changed into another prime (20090227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10045013 + 10045014.

It is an arithmetic number, because the mean of its divisors is an integer number (10045014).

Almost surely, 2^20090027 is an apocalyptic number.

20090027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20090027 is an equidigital number, since it uses as much as digits as its factorization.

20090027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20090027 is about 4482.1899781245. The cubic root of 20090027 is about 271.8484368640.

Adding to 20090027 its reverse (72009002), we get a palindrome (92099029).

The spelling of 20090027 in words is "twenty million, ninety thousand, twenty-seven".