9239030820 has 72 divisors (see below), whose sum is σ = 29500074240. Its totient is φ = 2334070080.

The previous prime is 9239030813. The next prime is 9239030833. The reversal of 9239030820 is 280309329.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 1347316 + ... + 1354155.

Almost surely, 2^9239030820 is an apocalyptic number.

9239030820 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9239030820 is an abundant number, since it is smaller than the sum of its proper divisors (20261043420).

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

9239030820 is a wasteful number, since it uses less digits than its factorization.

9239030820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701505 (or 2701500 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9239030820 is about 96119.8773407457. The cubic root of 9239030820 is about 2098.3381273711.

The spelling of 9239030820 in words is "nine billion, two hundred thirty-nine million, thirty thousand, eight hundred twenty".