20585335 has 8 divisors (see below), whose sum is σ = 24766416. Its totient is φ = 16425600.

The previous prime is 20585329. The next prime is 20585381. The reversal of 20585335 is 53358502.

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

It is not a de Polignac number, because 20585335 - 2¹⁷ = 20454263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20585297 and 20585306.

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, 3129 + ... + 7138.

It is an arithmetic number, because the mean of its divisors is an integer number (3095802).

Almost surely, 2^20585335 is an apocalyptic number.

20585335 is a deficient number, since it is larger than the sum of its proper divisors (4181081).

20585335 is a wasteful number, since it uses less digits than its factorization.

20585335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 20585335 is about 4537.1064567629. The cubic root of 20585335 is about 274.0644129026.

The spelling of 20585335 in words is "twenty million, five hundred eighty-five thousand, three hundred thirty-five".