20065085 has 16 divisors (see below), whose sum is σ = 25315200. Its totient is φ = 15238080.

The previous prime is 20065079. The next prime is 20065109. The reversal of 20065085 is 58056002.

It is not a de Polignac number, because 20065085 - 2⁴ = 20065069 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 16550 + ... + 17720.

It is an arithmetic number, because the mean of its divisors is an integer number (1582200).

Almost surely, 2^20065085 is an apocalyptic number.

It is an amenable number.

20065085 is a deficient number, since it is larger than the sum of its proper divisors (5250115).

20065085 is a wasteful number, since it uses less digits than its factorization.

20065085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 20065085 is about 4479.4067687586. The cubic root of 20065085 is about 271.7358892859.

The spelling of 20065085 in words is "twenty million, sixty-five thousand, eighty-five".