20486027 has 2 divisors, whose sum is σ = 20486028. Its totient is φ = 20486026.

The previous prime is 20486023. The next prime is 20486029. The reversal of 20486027 is 72068402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20486027 - 2² = 20486023 is a prime.

Together with 20486029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20486023) 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 as a sum of consecutive naturals, namely, 10243013 + 10243014.

It is an arithmetic number, because the mean of its divisors is an integer number (10243014).

Almost surely, 2^20486027 is an apocalyptic number.

20486027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20486027 is an equidigital number, since it uses as much as digits as its factorization.

20486027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20486027 is about 4526.1492463241. The cubic root of 20486027 is about 273.6229874428.

The spelling of 20486027 in words is "twenty million, four hundred eighty-six thousand, twenty-seven".