20013311133 has 24 divisors (see below), whose sum is σ = 29945061120. Its totient is φ = 12864852000.

The previous prime is 20013311107. The next prime is 20013311141. The reversal of 20013311133 is 33111331002.

It is a happy number.

20013311133 is a `hidden beast` number, since 200 + 1 + 331 + 1 + 133 = 666.

It is not a de Polignac number, because 20013311133 - 2⁶ = 20013311069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013311033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144960 + ... + 247062.

It is an arithmetic number, because the mean of its divisors is an integer number (1247710880).

Almost surely, 2^20013311133 is an apocalyptic number.

It is an amenable number.

20013311133 is a deficient number, since it is larger than the sum of its proper divisors (9931749987).

20013311133 is a wasteful number, since it uses less digits than its factorization.

20013311133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102889 (or 102886 counting only the distinct ones).

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

Adding to 20013311133 its reverse (33111331002), we get a palindrome (53124642135).

The spelling of 20013311133 in words is "twenty billion, thirteen million, three hundred eleven thousand, one hundred thirty-three".