20486085 has 16 divisors (see below), whose sum is σ = 34503360. Its totient is φ = 10350720.

The previous prime is 20486083. The next prime is 20486107. The reversal of 20486085 is 58068402.

It is not a de Polignac number, because 20486085 - 2¹ = 20486083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20486083) 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 in 15 ways as a sum of consecutive naturals, for example, 35656 + ... + 36225.

It is an arithmetic number, because the mean of its divisors is an integer number (2156460).

Almost surely, 2^20486085 is an apocalyptic number.

It is an amenable number.

20486085 is a deficient number, since it is larger than the sum of its proper divisors (14017275).

20486085 is a wasteful number, since it uses less digits than its factorization.

20486085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71908.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 20486085 is about 4526.1556535320. The cubic root of 20486085 is about 273.6232456695.

The spelling of 20486085 in words is "twenty million, four hundred eighty-six thousand, eighty-five".