20444027 has 2 divisors, whose sum is σ = 20444028. Its totient is φ = 20444026.

The previous prime is 20444023. The next prime is 20444059. The reversal of 20444027 is 72044402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20444027 - 2² = 20444023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20443993 and 20444011.

It is not a weakly prime, because it can be changed into another prime (20444023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10222013 + 10222014.

It is an arithmetic number, because the mean of its divisors is an integer number (10222014).

Almost surely, 2^20444027 is an apocalyptic number.

20444027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20444027 is an equidigital number, since it uses as much as digits as its factorization.

20444027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 20444027 is about 4521.5071602288. The cubic root of 20444027 is about 273.4358675734.

Adding to 20444027 its reverse (72044402), we get a palindrome (92488429).

The spelling of 20444027 in words is "twenty million, four hundred forty-four thousand, twenty-seven".