9281928200020 has 48 divisors (see below), whose sum is σ = 22291669790208. Its totient is φ = 3180226510080.

The previous prime is 9281928200011. The next prime is 9281928200087. The reversal of 9281928200020 is 200028291829.

It is a super-2 number, since 2×9281928200020² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9281928200020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22176012 + ... + 22590691.

It is an arithmetic number, because the mean of its divisors is an integer number (464409787296).

Almost surely, 2^{9281928200020} is an apocalyptic number.

It is an amenable number.

9281928200020 is an abundant number, since it is smaller than the sum of its proper divisors (13009741590188).

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

9281928200020 is a wasteful number, since it uses less digits than its factorization.

9281928200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44768200 (or 44768198 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 9281928200020 in words is "nine trillion, two hundred eighty-one billion, nine hundred twenty-eight million, two hundred thousand, twenty".