82425020 has 24 divisors (see below), whose sum is σ = 173300064. Its totient is φ = 32930496.

The previous prime is 82425019. The next prime is 82425041. The reversal of 82425020 is 2052428.

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, 19322 + ... + 23198.

It is an arithmetic number, because the mean of its divisors is an integer number (7220836).

Almost surely, 2^82425020 is an apocalyptic number.

It is an amenable number.

82425020 is an abundant number, since it is smaller than the sum of its proper divisors (90875044).

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

82425020 is a wasteful number, since it uses less digits than its factorization.

82425020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4949 (or 4947 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 82425020 is about 9078.8226108896. The cubic root of 82425020 is about 435.1974617675.

Adding to 82425020 its reverse (2052428), we get a palindrome (84477448).

The spelling of 82425020 in words is "eighty-two million, four hundred twenty-five thousand, twenty".