83099020 has 12 divisors (see below), whose sum is σ = 174507984. Its totient is φ = 33239600.

The previous prime is 83099011. The next prime is 83099041. The reversal of 83099020 is 2099038.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077456 + ... + 2077495.

It is an arithmetic number, because the mean of its divisors is an integer number (14542332).

Almost surely, 2^83099020 is an apocalyptic number.

It is an amenable number.

83099020 is an abundant number, since it is smaller than the sum of its proper divisors (91408964).

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

83099020 is a wasteful number, since it uses less digits than its factorization.

83099020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154960 (or 4154958 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 83099020 is about 9115.8663877878. The cubic root of 83099020 is about 436.3804649707.

The spelling of 83099020 in words is "eighty-three million, ninety-nine thousand, twenty".