82019502 has 24 divisors (see below), whose sum is σ = 180624600. Its totient is φ = 26891280.

The previous prime is 82019501. The next prime is 82019503. The reversal of 82019502 is 20591028.

It is an interprime number because it is at equal distance from previous prime (82019501) and next prime (82019503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82019501) 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 11 ways as a sum of consecutive naturals, for example, 36252 + ... + 38447.

It is an arithmetic number, because the mean of its divisors is an integer number (7526025).

Almost surely, 2^82019502 is an apocalyptic number.

82019502 is an abundant number, since it is smaller than the sum of its proper divisors (98605098).

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

82019502 is a wasteful number, since it uses less digits than its factorization.

82019502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74768 (or 74765 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 82019502 is about 9056.4618919311. The cubic root of 82019502 is about 434.4825873419.

The spelling of 82019502 in words is "eighty-two million, nineteen thousand, five hundred two".