9428816020 has 24 divisors (see below), whose sum is σ = 21323630664. Its totient is φ = 3481408896.

The previous prime is 9428816003. The next prime is 9428816027. The reversal of 9428816020 is 206188249.

It can be written as a sum of positive squares in 4 ways, for example, as 1650634384 + 7778181636 = 40628^2 + 88194^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9428816027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18132079 + ... + 18132598.

It is an arithmetic number, because the mean of its divisors is an integer number (888484611).

Almost surely, 2^9428816020 is an apocalyptic number.

It is an amenable number.

9428816020 is an abundant number, since it is smaller than the sum of its proper divisors (11894814644).

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

9428816020 is a wasteful number, since it uses less digits than its factorization.

9428816020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36264699 (or 36264697 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 9428816020 is about 97102.0907086969. The cubic root of 9428816020 is about 2112.6086510647.

The spelling of 9428816020 in words is "nine billion, four hundred twenty-eight million, eight hundred sixteen thousand, twenty".