20333132201 has 2 divisors, whose sum is σ = 20333132202. Its totient is φ = 20333132200.

The previous prime is 20333132189. The next prime is 20333132203. The reversal of 20333132201 is 10223133302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13294090000 + 7039042201 = 115300^2 + 83899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20333132201 is a prime.

Together with 20333132203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20333132203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166566100 + 10166566101.

It is an arithmetic number, because the mean of its divisors is an integer number (10166566101).

Almost surely, 2^20333132201 is an apocalyptic number.

It is an amenable number.

20333132201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333132201 is an equidigital number, since it uses as much as digits as its factorization.

20333132201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20333132201 its reverse (10223133302), we get a palindrome (30556265503).

It can be divided in two parts, 203331 and 32201, that added together give a palindrome (235532).

The spelling of 20333132201 in words is "twenty billion, three hundred thirty-three million, one hundred thirty-two thousand, two hundred one".