2000321001 has 40 divisors (see below), whose sum is σ = 3458315520. Its totient is φ = 1128546432.

The previous prime is 2000320981. The next prime is 2000321003. The reversal of 2000321001 is 1001230002.

It is a happy number.

It is not a de Polignac number, because 2000321001 - 2⁶ = 2000320937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2000321003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22465 + ... + 67121.

It is an arithmetic number, because the mean of its divisors is an integer number (86457888).

Almost surely, 2^2000321001 is an apocalyptic number.

2000321001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2000321001 is a deficient number, since it is larger than the sum of its proper divisors (1457994519).

2000321001 is an equidigital number, since it uses as much as digits as its factorization.

2000321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44755 (or 44746 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2000321001 is about 44724.9483062865. The cubic root of 2000321001 is about 1259.9884522751.

Adding to 2000321001 its reverse (1001230002), we get a palindrome (3001551003).

Subtracting from 2000321001 its reverse (1001230002), we obtain a palindrome (999090999).

The spelling of 2000321001 in words is "two billion, three hundred twenty-one thousand, one".