20001330211 has 2 divisors, whose sum is σ = 20001330212. Its totient is φ = 20001330210.

The previous prime is 20001330163. The next prime is 20001330221. The reversal of 20001330211 is 11203310002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20001330211 is a prime.

It is a super-2 number, since 2×20001330211² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20001330191 and 20001330200.

It is not a weakly prime, because it can be changed into another prime (20001330221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000665105 + 10000665106.

It is an arithmetic number, because the mean of its divisors is an integer number (10000665106).

Almost surely, 2^20001330211 is an apocalyptic number.

20001330211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001330211 is an equidigital number, since it uses as much as digits as its factorization.

20001330211 is an evil number, because the sum of its binary digits is even.

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

Adding to 20001330211 its reverse (11203310002), we get a palindrome (31204640213).

The spelling of 20001330211 in words is "twenty billion, one million, three hundred thirty thousand, two hundred eleven".