2321040020 has 24 divisors (see below), whose sum is σ = 5249121864. Its totient is φ = 856999296.

The previous prime is 2321040011. The next prime is 2321040031. The reversal of 2321040020 is 200401232.

It can be written as a sum of positive squares in 4 ways, for example, as 319551376 + 2001488644 = 17876^2 + 44738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2321039977 and 2321040004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4463279 + ... + 4463798.

It is an arithmetic number, because the mean of its divisors is an integer number (218713411).

Almost surely, 2^2321040020 is an apocalyptic number.

2321040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321040020 is an abundant number, since it is smaller than the sum of its proper divisors (2928081844).

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

2321040020 is a wasteful number, since it uses less digits than its factorization.

2321040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927099 (or 8927097 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2321040020 is about 48177.1732255017. The cubic root of 2321040020 is about 1324.0189762190.

Adding to 2321040020 its reverse (200401232), we get a palindrome (2521441252).

The spelling of 2321040020 in words is "two billion, three hundred twenty-one million, forty thousand, twenty".