20260085 has 8 divisors (see below), whose sum is σ = 24462240. Its totient is φ = 16107984.

The previous prime is 20260021. The next prime is 20260091. The reversal of 20260085 is 58006202.

It is a happy number.

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 20260085 - 2⁶ = 20260021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20260085.

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 7 ways as a sum of consecutive naturals, for example, 11615 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (3057780).

Almost surely, 2^20260085 is an apocalyptic number.

It is an amenable number.

20260085 is a deficient number, since it is larger than the sum of its proper divisors (4202155).

20260085 is a wasteful number, since it uses less digits than its factorization.

20260085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25027.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 20260085 is about 4501.1204160742. The cubic root of 20260085 is about 272.6133299614.

Adding to 20260085 its reverse (58006202), we get a palindrome (78266287).

The spelling of 20260085 in words is "twenty million, two hundred sixty thousand, eighty-five".