820119108 has 12 divisors (see below), whose sum is σ = 1913611280. Its totient is φ = 273373032.

The previous prime is 820119107. The next prime is 820119149. The reversal of 820119108 is 801911028.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (820119107) 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, 34171618 + ... + 34171641.

Almost surely, 2^820119108 is an apocalyptic number.

It is an amenable number.

820119108 is an abundant number, since it is smaller than the sum of its proper divisors (1093492172).

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

820119108 is a wasteful number, since it uses less digits than its factorization.

820119108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68343266 (or 68343264 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 820119108 is about 28637.7217669283. The cubic root of 820119108 is about 936.0354787852.

It can be divided in two parts, 82011 and 9108, that added together give a palindrome (91119).

The spelling of 820119108 in words is "eight hundred twenty million, one hundred nineteen thousand, one hundred eight".