85020180424 has 16 divisors (see below), whose sum is σ = 160018974720. Its totient is φ = 42348453840.

The previous prime is 85020180419. The next prime is 85020180451. The reversal of 85020180424 is 42408102058.

It is a self number, because there is not a number n which added to its sum of digits gives 85020180424.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20202312 + ... + 20206519.

It is an arithmetic number, because the mean of its divisors is an integer number (10001185920).

Almost surely, 2^85020180424 is an apocalyptic number.

It is an amenable number.

85020180424 is a deficient number, since it is larger than the sum of its proper divisors (74998794296).

85020180424 is a wasteful number, since it uses less digits than its factorization.

85020180424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40409100 (or 40409096 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 34.

The spelling of 85020180424 in words is "eighty-five billion, twenty million, one hundred eighty thousand, four hundred twenty-four".