20002000300321 has 16 divisors (see below), whose sum is σ = 21614565695184. Its totient is φ = 18400084015104.

The previous prime is 20002000300279. The next prime is 20002000300327. The reversal of 20002000300321 is 12300300020002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5273567780625 + 14728432519696 = 2296425^2 + 3837764^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002000300321 - 2⁷ = 20002000300193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002000300327) 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, 3895161 + ... + 7428073.

It is an arithmetic number, because the mean of its divisors is an integer number (1350910355949).

Almost surely, 2^{20002000300321} is an apocalyptic number.

It is an amenable number.

20002000300321 is a deficient number, since it is larger than the sum of its proper divisors (1612565394863).

20002000300321 is a wasteful number, since it uses less digits than its factorization.

20002000300321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534420.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20002000300321 its reverse (12300300020002), we get a palindrome (32302300320323).

The spelling of 20002000300321 in words is "twenty trillion, two billion, three hundred thousand, three hundred twenty-one".