20585107 has 8 divisors (see below), whose sum is σ = 21159936. Its totient is φ = 20016072.

The previous prime is 20585093. The next prime is 20585111. The reversal of 20585107 is 70158502.

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

It is a cyclic number.

It is not a de Polignac number, because 20585107 - 2⁷ = 20584979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20585167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6318 + ... + 9004.

It is an arithmetic number, because the mean of its divisors is an integer number (2644992).

Almost surely, 2^20585107 is an apocalyptic number.

20585107 is a deficient number, since it is larger than the sum of its proper divisors (574829).

20585107 is a wasteful number, since it uses less digits than its factorization.

20585107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2897.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 20585107 is about 4537.0813305472. The cubic root of 20585107 is about 274.0634010672.

The spelling of 20585107 in words is "twenty million, five hundred eighty-five thousand, one hundred seven".