9886015020 has 384 divisors, whose sum is σ = 35357736960. Its totient is φ = 2011806720.

The previous prime is 9886015019. The next prime is 9886015033. The reversal of 9886015020 is 205106889.

It is a self number, because there is not a number n which added to its sum of digits gives 9886015020.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11195499 + ... + 11196381.

It is an arithmetic number, because the mean of its divisors is an integer number (92077440).

Almost surely, 2^9886015020 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 9886015020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17678868480).

9886015020 is an abundant number, since it is smaller than the sum of its proper divisors (25471721940).

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

9886015020 is a wasteful number, since it uses less digits than its factorization.

9886015020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 9886015020 is about 99428.4417055804. The cubic root of 9886015020 is about 2146.2176165621.

The spelling of 9886015020 in words is "nine billion, eight hundred eighty-six million, fifteen thousand, twenty".