20593285 has 8 divisors (see below), whose sum is σ = 25238016. Its totient is φ = 16123920.

The previous prime is 20593249. The next prime is 20593297. The reversal of 20593285 is 58239502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20593285 - 2¹³ = 20585093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20593285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43581 + ... + 44050.

It is an arithmetic number, because the mean of its divisors is an integer number (3154752).

Almost surely, 2^20593285 is an apocalyptic number.

It is an amenable number.

20593285 is a deficient number, since it is larger than the sum of its proper divisors (4644731).

20593285 is an equidigital number, since it uses as much as digits as its factorization.

20593285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87683.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 20593285 is about 4537.9824812355. The cubic root of 20593285 is about 274.0996893370.

The spelling of 20593285 in words is "twenty million, five hundred ninety-three thousand, two hundred eighty-five".