850124813020 has 72 divisors (see below), whose sum is σ = 2077168272480. Its totient is φ = 291410340480.

The previous prime is 850124812981. The next prime is 850124813033. The reversal of 850124813020 is 20318421058.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4722465 + ... + 4899175.

It is an arithmetic number, because the mean of its divisors is an integer number (28849559340).

Almost surely, 2^850124813020 is an apocalyptic number.

It is an amenable number.

850124813020 is an abundant number, since it is smaller than the sum of its proper divisors (1227043459460).

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

850124813020 is a wasteful number, since it uses less digits than its factorization.

850124813020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181643 (or 181634 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 850124813020 in words is "eight hundred fifty billion, one hundred twenty-four million, eight hundred thirteen thousand, twenty".