82589020 has 24 divisors (see below), whose sum is σ = 175062384. Its totient is φ = 32726016.

The previous prime is 82588993. The next prime is 82589051. The reversal of 82589020 is 2098528.

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, 17157 + ... + 21436.

It is an arithmetic number, because the mean of its divisors is an integer number (7294266).

Almost surely, 2^82589020 is an apocalyptic number.

It is an amenable number.

82589020 is an abundant number, since it is smaller than the sum of its proper divisors (92473364).

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

82589020 is a wasteful number, since it uses less digits than its factorization.

82589020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38709 (or 38707 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 82589020 is about 9087.8501308065. The cubic root of 82589020 is about 435.4859061409.

The spelling of 82589020 in words is "eighty-two million, five hundred eighty-nine thousand, twenty".