8501820120 has 48 divisors (see below), whose sum is σ = 27630916560. Its totient is φ = 2267151936.

The previous prime is 8501820109. The next prime is 8501820149. The reversal of 8501820120 is 210281058.

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 11 ways as a sum of consecutive naturals, for example, 11807724 + ... + 11808443.

It is an arithmetic number, because the mean of its divisors is an integer number (575644095).

Almost surely, 2^8501820120 is an apocalyptic number.

It is an amenable number.

8501820120 is an abundant number, since it is smaller than the sum of its proper divisors (19129096440).

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

8501820120 is a wasteful number, since it uses less digits than its factorization.

8501820120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23616184 (or 23616177 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 8501820120 is about 92205.3150311846. The cubic root of 8501820120 is about 2040.9732092308.

The spelling of 8501820120 in words is "eight billion, five hundred one million, eight hundred twenty thousand, one hundred twenty".