20449327 has 2 divisors, whose sum is σ = 20449328. Its totient is φ = 20449326.

The previous prime is 20449313. The next prime is 20449333. The reversal of 20449327 is 72394402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20449327 - 2¹¹ = 20447279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20449337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10224663 + 10224664.

It is an arithmetic number, because the mean of its divisors is an integer number (10224664).

Almost surely, 2^20449327 is an apocalyptic number.

20449327 is a deficient number, since it is larger than the sum of its proper divisors (1).

20449327 is an equidigital number, since it uses as much as digits as its factorization.

20449327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 20449327 is about 4522.0932100079. The cubic root of 20449327 is about 273.4594944398.

The spelling of 20449327 in words is "twenty million, four hundred forty-nine thousand, three hundred twenty-seven".