20486927 has 2 divisors, whose sum is σ = 20486928. Its totient is φ = 20486926.

The previous prime is 20486923. The next prime is 20486933. The reversal of 20486927 is 72968402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20486927 - 2² = 20486923 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20486923) 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, 10243463 + 10243464.

It is an arithmetic number, because the mean of its divisors is an integer number (10243464).

Almost surely, 2^20486927 is an apocalyptic number.

20486927 is a deficient number, since it is larger than the sum of its proper divisors (1).

20486927 is an equidigital number, since it uses as much as digits as its factorization.

20486927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 20486927 is about 4526.2486674950. The cubic root of 20486927 is about 273.6269943542.

The spelling of 20486927 in words is "twenty million, four hundred eighty-six thousand, nine hundred twenty-seven".