83830120 has 32 divisors (see below), whose sum is σ = 205765920. Its totient is φ = 30483520.

The previous prime is 83830081. The next prime is 83830121. The reversal of 83830120 is 2103838.

It is a super-3 number, since 3×83830120³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (83830121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94822 + ... + 95701.

It is an arithmetic number, because the mean of its divisors is an integer number (6430185).

Almost surely, 2^83830120 is an apocalyptic number.

It is an amenable number.

83830120 is an abundant number, since it is smaller than the sum of its proper divisors (121935800).

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

83830120 is a wasteful number, since it uses less digits than its factorization.

83830120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190545 (or 190541 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 83830120 is about 9155.8789856572. The cubic root of 83830120 is about 437.6564795359.

Adding to 83830120 its reverse (2103838), we get a palindrome (85933958).

The spelling of 83830120 in words is "eighty-three million, eight hundred thirty thousand, one hundred twenty".