20085206 has 8 divisors (see below), whose sum is σ = 30420624. Its totient is φ = 9945000.

The previous prime is 20085199. The next prime is 20085209. The reversal of 20085206 is 60258002.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20085209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48545 + ... + 48956.

It is an arithmetic number, because the mean of its divisors is an integer number (3802578).

Almost surely, 2^20085206 is an apocalyptic number.

20085206 is a deficient number, since it is larger than the sum of its proper divisors (10335418).

20085206 is a wasteful number, since it uses less digits than its factorization.

20085206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97606.

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

The square root of 20085206 is about 4481.6521507141. The cubic root of 20085206 is about 271.8266899849.

The spelling of 20085206 in words is "twenty million, eighty-five thousand, two hundred six".