20593427 has 2 divisors, whose sum is σ = 20593428. Its totient is φ = 20593426.

The previous prime is 20593411. The next prime is 20593453. The reversal of 20593427 is 72439502.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20593427 - 2⁴ = 20593411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20593393 and 20593402.

It is not a weakly prime, because it can be changed into another prime (20593457) 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, 10296713 + 10296714.

It is an arithmetic number, because the mean of its divisors is an integer number (10296714).

Almost surely, 2^20593427 is an apocalyptic number.

20593427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20593427 is an equidigital number, since it uses as much as digits as its factorization.

20593427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 20593427 is about 4537.9981269278. The cubic root of 20593427 is about 274.1003193493.

The spelling of 20593427 in words is "twenty million, five hundred ninety-three thousand, four hundred twenty-seven".