20002133201 has 4 divisors (see below), whose sum is σ = 20002423092. Its totient is φ = 20001843312.

The previous prime is 20002133197. The next prime is 20002133237. The reversal of 20002133201 is 10233120002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8199483601 + 11802649600 = 90551^2 + 108640^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002133201 - 2² = 20002133197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002136201) 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, 24875 + ... + 201551.

It is an arithmetic number, because the mean of its divisors is an integer number (5000605773).

Almost surely, 2^20002133201 is an apocalyptic number.

It is an amenable number.

20002133201 is a deficient number, since it is larger than the sum of its proper divisors (289891).

20002133201 is a wasteful number, since it uses less digits than its factorization.

20002133201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289890.

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

Adding to 20002133201 its reverse (10233120002), we get a palindrome (30235253203).

The spelling of 20002133201 in words is "twenty billion, two million, one hundred thirty-three thousand, two hundred one".