20211330001 has 4 divisors (see below), whose sum is σ = 20271304612. Its totient is φ = 20151355392.

The previous prime is 20211329987. The next prime is 20211330023. The reversal of 20211330001 is 10003311202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3621632400 + 16589697601 = 60180^2 + 128801^2 .

It is a cyclic number.

It is not a de Polignac number, because 20211330001 - 2⁵ = 20211329969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211330071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29986800 + ... + 29987473.

It is an arithmetic number, because the mean of its divisors is an integer number (5067826153).

Almost surely, 2^20211330001 is an apocalyptic number.

It is an amenable number.

20211330001 is a deficient number, since it is larger than the sum of its proper divisors (59974611).

20211330001 is an equidigital number, since it uses as much as digits as its factorization.

20211330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59974610.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20211330001 its reverse (10003311202), we get a palindrome (30214641203).

The spelling of 20211330001 in words is "twenty billion, two hundred eleven million, three hundred thirty thousand, one".