20806000210 has 32 divisors (see below), whose sum is σ = 39357502272. Its totient is φ = 7909151040.

The previous prime is 20806000177. The next prime is 20806000223. The reversal of 20806000210 is 1200060802.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637956 + ... + 669775.

It is an arithmetic number, because the mean of its divisors is an integer number (1229921946).

Almost surely, 2^20806000210 is an apocalyptic number.

20806000210 is a deficient number, since it is larger than the sum of its proper divisors (18551502062).

20806000210 is a wasteful number, since it uses less digits than its factorization.

20806000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307818.

The product of its (nonzero) digits is 192, while the sum is 19.

The spelling of 20806000210 in words is "twenty billion, eight hundred six million, two hundred ten", and thus it is an aban number.