83271320 has 32 divisors (see below), whose sum is σ = 204394320. Its totient is φ = 30280320.

The previous prime is 83271317. The next prime is 83271343. The reversal of 83271320 is 2317238.

It is a super-2 number, since 2×83271320² = 13868225469084800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83271320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94187 + ... + 95066.

Almost surely, 2^83271320 is an apocalyptic number.

It is an amenable number.

83271320 is an abundant number, since it is smaller than the sum of its proper divisors (121123000).

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

83271320 is a wasteful number, since it uses less digits than its factorization.

83271320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189275 (or 189271 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 83271320 is about 9125.3120494589. The cubic root of 83271320 is about 436.6818582080.

Adding to 83271320 its reverse (2317238), we get a palindrome (85588558).

The spelling of 83271320 in words is "eighty-three million, two hundred seventy-one thousand, three hundred twenty".