2320140021 has 16 divisors (see below), whose sum is σ = 3204593280. Its totient is φ = 1492071680.

The previous prime is 2320139981. The next prime is 2320140047. The reversal of 2320140021 is 1200410232.

It is a cyclic number.

It is not a de Polignac number, because 2320140021 - 2⁷ = 2320139893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320140071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95025 + ... + 116918.

It is an arithmetic number, because the mean of its divisors is an integer number (200287080).

Almost surely, 2^2320140021 is an apocalyptic number.

It is an amenable number.

2320140021 is a deficient number, since it is larger than the sum of its proper divisors (884453259).

2320140021 is a wasteful number, since it uses less digits than its factorization.

2320140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212076.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2320140021 is about 48167.8318071304. The cubic root of 2320140021 is about 1323.8478216509.

Adding to 2320140021 its reverse (1200410232), we get a palindrome (3520550253).

The spelling of 2320140021 in words is "two billion, three hundred twenty million, one hundred forty thousand, twenty-one".