20000011133133 has 20 divisors (see below), whose sum is σ = 29878765904988. Its totient is φ = 13332356231040.

The previous prime is 20000011133131. The next prime is 20000011133153. The reversal of 20000011133133 is 33133111000002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11440068288489 + 8559942844644 = 3382317^2 + 2925738^2 .

It is not a de Polignac number, because 20000011133133 - 2¹ = 20000011133131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000011133131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8011398 + ... + 10206983.

Almost surely, 2^{20000011133133} is an apocalyptic number.

It is an amenable number.

20000011133133 is a deficient number, since it is larger than the sum of its proper divisors (9878754771855).

20000011133133 is a wasteful number, since it uses less digits than its factorization.

20000011133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231946 (or 18231937 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 20000011133133 its reverse (33133111000002), we get a palindrome (53133122133135).

The spelling of 20000011133133 in words is "twenty trillion, eleven million, one hundred thirty-three thousand, one hundred thirty-three".