20045327 has 2 divisors, whose sum is σ = 20045328. Its totient is φ = 20045326.

The previous prime is 20045321. The next prime is 20045339. The reversal of 20045327 is 72354002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20045327 - 2¹⁰ = 20044303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20045321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022663 + 10022664.

It is an arithmetic number, because the mean of its divisors is an integer number (10022664).

Almost surely, 2^20045327 is an apocalyptic number.

20045327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20045327 is an equidigital number, since it uses as much as digits as its factorization.

20045327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 20045327 is about 4477.2007996068. The cubic root of 20045327 is about 271.6466676200.

Adding to 20045327 its reverse (72354002), we get a palindrome (92399329).

The spelling of 20045327 in words is "twenty million, forty-five thousand, three hundred twenty-seven".