82014820 has 12 divisors (see below), whose sum is σ = 172231164. Its totient is φ = 32805920.

The previous prime is 82014799. The next prime is 82014853. The reversal of 82014820 is 2841028.

It can be written as a sum of positive squares in 2 ways, for example, as 13853284 + 68161536 = 3722^2 + 8256^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2050351 + ... + 2050390.

It is an arithmetic number, because the mean of its divisors is an integer number (14352597).

Almost surely, 2^82014820 is an apocalyptic number.

It is an amenable number.

82014820 is an abundant number, since it is smaller than the sum of its proper divisors (90216344).

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

82014820 is a wasteful number, since it uses less digits than its factorization.

82014820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100750 (or 4100748 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 82014820 is about 9056.2033987759. The cubic root of 82014820 is about 434.4743198521.

Adding to 82014820 its reverse (2841028), we get a palindrome (84855848).

The spelling of 82014820 in words is "eighty-two million, fourteen thousand, eight hundred twenty".