2042000321 has 4 divisors (see below), whose sum is σ = 2042833200. Its totient is φ = 2041167444.

The previous prime is 2042000299. The next prime is 2042000333. The reversal of 2042000321 is 1230002402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1230002402 = 2 ⋅615001201.

It is a cyclic number.

It is not a de Polignac number, because 2042000321 - 2³⁰ = 968258497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2042000296 and 2042000305.

It is not an unprimeable number, because it can be changed into a prime (2042000341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412751 + ... + 417668.

It is an arithmetic number, because the mean of its divisors is an integer number (510708300).

Almost surely, 2^2042000321 is an apocalyptic number.

It is an amenable number.

2042000321 is a deficient number, since it is larger than the sum of its proper divisors (832879).

2042000321 is an equidigital number, since it uses as much as digits as its factorization.

2042000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832878.

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

The square root of 2042000321 is about 45188.4976625690. The cubic root of 2042000321 is about 1268.6795379151.

Adding to 2042000321 its reverse (1230002402), we get a palindrome (3272002723).

The spelling of 2042000321 in words is "two billion, forty-two million, three hundred twenty-one", and thus it is an aban number.