82501260020 has 24 divisors (see below), whose sum is σ = 182371207200. Its totient is φ = 31263635232.

The previous prime is 82501260011. The next prime is 82501260071. The reversal of 82501260020 is 2006210528.

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, 108553910 + ... + 108554669.

It is an arithmetic number, because the mean of its divisors is an integer number (7598800300).

Almost surely, 2^82501260020 is an apocalyptic number.

It is an amenable number.

82501260020 is an abundant number, since it is smaller than the sum of its proper divisors (99869947180).

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

82501260020 is a wasteful number, since it uses less digits than its factorization.

82501260020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217108607 (or 217108605 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 82501260020 its reverse (2006210528), we get a palindrome (84507470548).

The spelling of 82501260020 in words is "eighty-two billion, five hundred one million, two hundred sixty thousand, twenty".