82930220 has 24 divisors (see below), whose sum is σ = 174351408. Its totient is φ = 33134400.

The previous prime is 82930219. The next prime is 82930229. The reversal of 82930220 is 2203928.

It is a self number, because there is not a number n which added to its sum of digits gives 82930220.

It is not an unprimeable number, because it can be changed into a prime (82930229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21650 + ... + 25190.

It is an arithmetic number, because the mean of its divisors is an integer number (7264642).

Almost surely, 2^82930220 is an apocalyptic number.

It is an amenable number.

82930220 is an abundant number, since it is smaller than the sum of its proper divisors (91421188).

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

82930220 is a wasteful number, since it uses less digits than its factorization.

82930220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 82930220 is about 9106.6030988509. The cubic root of 82930220 is about 436.0847897830.

The spelling of 82930220 in words is "eighty-two million, nine hundred thirty thousand, two hundred twenty".