9200921332840 has 16 divisors (see below), whose sum is σ = 20702072998980. Its totient is φ = 3680368533120.

The previous prime is 9200921332793. The next prime is 9200921332843. The reversal of 9200921332840 is 482331290029.

It can be written as a sum of positive squares in 2 ways, for example, as 8967904665316 + 233016667524 = 2994646^2 + 482718^2 .

It is a super-2 number, since 2×9200921332840² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9200921332843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115011516621 + ... + 115011516700.

Almost surely, 2^{9200921332840} is an apocalyptic number.

It is an amenable number.

9200921332840 is an abundant number, since it is smaller than the sum of its proper divisors (11501151666140).

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

9200921332840 is a wasteful number, since it uses less digits than its factorization.

9200921332840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230023033332 (or 230023033328 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 9200921332840 in words is "nine trillion, two hundred billion, nine hundred twenty-one million, three hundred thirty-two thousand, eight hundred forty".