9920064532 has 24 divisors (see below), whose sum is σ = 19865067264. Its totient is φ = 4246112352.

The previous prime is 9920064527. The next prime is 9920064563. The reversal of 9920064532 is 2354600299.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199948 + ... + 244579.

It is an arithmetic number, because the mean of its divisors is an integer number (827711136).

Almost surely, 2^9920064532 is an apocalyptic number.

It is an amenable number.

9920064532 is an abundant number, since it is smaller than the sum of its proper divisors (9945002732).

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

9920064532 is a wasteful number, since it uses less digits than its factorization.

9920064532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445335 (or 445333 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 9920064532 is about 99599.5207418188. The cubic root of 9920064532 is about 2148.6788011829.

The spelling of 9920064532 in words is "nine billion, nine hundred twenty million, sixty-four thousand, five hundred thirty-two".