820108 has 12 divisors (see below), whose sum is σ = 1441552. Its totient is φ = 408240.

The previous prime is 820093. The next prime is 820109. The reversal of 820108 is 801028.

It is a happy number.

820108 is nontrivially palindromic in base 16.

It is not an unprimeable number, because it can be changed into a prime (820109) 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, 1441 + ... + 1927.

2⁸²⁰¹⁰⁸ is an apocalyptic number.

It is an amenable number.

820108 is a deficient number, since it is larger than the sum of its proper divisors (621444).

820108 is a wasteful number, since it uses less digits than its factorization.

820108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 820108 is about 905.5981448744. The cubic root of 820108 is about 93.6031252761.

The spelling of 820108 in words is "eight hundred twenty thousand, one hundred eight".