9920035520904 has 64 divisors (see below), whose sum is σ = 25919751715200. Its totient is φ = 3159741118464.

The previous prime is 9920035520881. The next prime is 9920035520911. The reversal of 9920035520904 is 4090255300299.

It is a happy 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, 73401172 + ... + 73536195.

It is an arithmetic number, because the mean of its divisors is an integer number (404996120550).

Almost surely, 2^{9920035520904} is an apocalyptic number.

It is an amenable number.

9920035520904 is an abundant number, since it is smaller than the sum of its proper divisors (15999716194296).

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

9920035520904 is a wasteful number, since it uses less digits than its factorization.

9920035520904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146937502 (or 146937498 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The spelling of 9920035520904 in words is "nine trillion, nine hundred twenty billion, thirty-five million, five hundred twenty thousand, nine hundred four".