20001000202133 has 4 divisors (see below), whose sum is σ = 20007805581120. Its totient is φ = 19994194823148.

The previous prime is 20001000202093. The next prime is 20001000202201. The reversal of 20001000202133 is 33120200010002.

It is a happy number.

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 20001000202133 - 2⁸ = 20001000201877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001003202133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3402685085 + ... + 3402690962.

It is an arithmetic number, because the mean of its divisors is an integer number (5001951395280).

Almost surely, 2^{20001000202133} is an apocalyptic number.

It is an amenable number.

20001000202133 is a deficient number, since it is larger than the sum of its proper divisors (6805378987).

20001000202133 is an equidigital number, since it uses as much as digits as its factorization.

20001000202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805378986.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20001000202133 its reverse (33120200010002), we get a palindrome (53121200212135).

The spelling of 20001000202133 in words is "twenty trillion, one billion, two hundred two thousand, one hundred thirty-three".