850522920 has 192 divisors, whose sum is σ = 2926653120. Its totient is φ = 196964352.

The previous prime is 850522909. The next prime is 850522921. The reversal of 850522920 is 29225058.

850522920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (850522921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 343527 + ... + 345993.

It is an arithmetic number, because the mean of its divisors is an integer number (15242985).

Almost surely, 2^850522920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 850522920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463326560).

850522920 is an abundant number, since it is smaller than the sum of its proper divisors (2076130200).

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

850522920 is a wasteful number, since it uses less digits than its factorization.

850522920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 850522920 is about 29163.7260993859. The cubic root of 850522920 is about 947.4624505045.

Adding to 850522920 its reverse (29225058), we get a palindrome (879747978).

The spelling of 850522920 in words is "eight hundred fifty million, five hundred twenty-two thousand, nine hundred twenty".