9920416912 has 120 divisors (see below), whose sum is σ = 24315178104. Its totient is φ = 3893170176.

The previous prime is 9920416903. The next prime is 9920416927. The reversal of 9920416912 is 2196140299.

It can be written as a sum of positive squares in 4 ways, for example, as 3272297616 + 6648119296 = 57204^2 + 81536^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483078 + ... + 503194.

Almost surely, 2^9920416912 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 9920416912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12157589052).

9920416912 is an abundant number, since it is smaller than the sum of its proper divisors (14394761192).

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

9920416912 is a wasteful number, since it uses less digits than its factorization.

9920416912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20193 (or 20180 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 9920416912 is about 99601.2897105253. The cubic root of 9920416912 is about 2148.7042426327.

The spelling of 9920416912 in words is "nine billion, nine hundred twenty million, four hundred sixteen thousand, nine hundred twelve".