16808206020 has 48 divisors (see below), whose sum is σ = 47100045888. Its totient is φ = 4478657920.

The previous prime is 16808206007. The next prime is 16808206027. The reversal of 16808206020 is 2060280861.

It is a super-2 number, since 2×16808206020² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16808206027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33066 + ... + 186305.

It is an arithmetic number, because the mean of its divisors is an integer number (981250956).

Almost surely, 2^16808206020 is an apocalyptic number.

16808206020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16808206020 is an abundant number, since it is smaller than the sum of its proper divisors (30291839868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16808206020 is a wasteful number, since it uses less digits than its factorization.

16808206020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220660 (or 220658 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 16808206020 its reverse (2060280861), we get a palindrome (18868486881).

The spelling of 16808206020 in words is "sixteen billion, eight hundred eight million, two hundred six thousand, twenty".