20001033332201 has 4 divisors (see below), whose sum is σ = 20053806507600. Its totient is φ = 19948260156804.

The previous prime is 20001033332083. The next prime is 20001033332249. The reversal of 20001033332201 is 10223333010002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20001033332201 - 2²² = 20001029137897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001093332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26386587131 + ... + 26386587888.

It is an arithmetic number, because the mean of its divisors is an integer number (5013451626900).

Almost surely, 2^{20001033332201} is an apocalyptic number.

It is an amenable number.

20001033332201 is a deficient number, since it is larger than the sum of its proper divisors (52773175399).

20001033332201 is an equidigital number, since it uses as much as digits as its factorization.

20001033332201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52773175398.

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

Adding to 20001033332201 its reverse (10223333010002), we get a palindrome (30224366342203).

The spelling of 20001033332201 in words is "twenty trillion, one billion, thirty-three million, three hundred thirty-two thousand, two hundred one".