2321607820 has 24 divisors (see below), whose sum is σ = 5571859104. Its totient is φ = 795979776.

The previous prime is 2321607803. The next prime is 2321607823. The reversal of 2321607820 is 287061232.

It is not an unprimeable number, because it can be changed into a prime (2321607823) by changing a digit.

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, 8291317 + ... + 8291596.

It is an arithmetic number, because the mean of its divisors is an integer number (232160796).

Almost surely, 2^2321607820 is an apocalyptic number.

2321607820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321607820 is an abundant number, since it is smaller than the sum of its proper divisors (3250251284).

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

2321607820 is a wasteful number, since it uses less digits than its factorization.

2321607820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16582929 (or 16582927 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2321607820 is about 48183.0656974004. The cubic root of 2321607820 is about 1324.1269330938.

The spelling of 2321607820 in words is "two billion, three hundred twenty-one million, six hundred seven thousand, eight hundred twenty".