9920044819896 has 32 divisors (see below), whose sum is σ = 24811042160400. Its totient is φ = 3305224258560.

The previous prime is 9920044819873. The next prime is 9920044819903. The reversal of 9920044819896 is 6989184400299.

9920044819896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9920044819896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91028665 + ... + 91137576.

Almost surely, 2^{9920044819896} is an apocalyptic number.

It is an amenable number.

9920044819896 is an abundant number, since it is smaller than the sum of its proper divisors (14890997340504).

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

9920044819896 is a wasteful number, since it uses less digits than its factorization.

9920044819896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182168519 (or 182168515 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 69.

The spelling of 9920044819896 in words is "nine trillion, nine hundred twenty billion, forty-four million, eight hundred nineteen thousand, eight hundred ninety-six".