20593359 has 20 divisors (see below), whose sum is σ = 32384440. Its totient is φ = 13005360.

The previous prime is 20593351. The next prime is 20593367. The reversal of 20593359 is 95339502.

It is an interprime number because it is at equal distance from previous prime (20593351) and next prime (20593367).

It is not a de Polignac number, because 20593359 - 2³ = 20593351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20593351) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5152 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (1619222).

Almost surely, 2^20593359 is an apocalyptic number.

20593359 is a deficient number, since it is larger than the sum of its proper divisors (11791081).

20593359 is a wasteful number, since it uses less digits than its factorization.

20593359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13412 (or 13403 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 20593359 is about 4537.9906346311. The cubic root of 20593359 is about 274.1000176537.

The spelling of 20593359 in words is "twenty million, five hundred ninety-three thousand, three hundred fifty-nine".