20011131332203 has 64 divisors (see below), whose sum is σ = 23644431360000. Its totient is φ = 16741299542400.

The previous prime is 20011131332183. The next prime is 20011131332263. The reversal of 20011131332203 is 30223313111002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20011131332203 is a prime.

It is a super-2 number, since 2×20011131332203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011131332263) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2135427108 + ... + 2135436478.

It is an arithmetic number, because the mean of its divisors is an integer number (369444240000).

Almost surely, 2^{20011131332203} is an apocalyptic number.

20011131332203 is a deficient number, since it is larger than the sum of its proper divisors (3633300027797).

20011131332203 is a wasteful number, since it uses less digits than its factorization.

20011131332203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20011131332203 its reverse (30223313111002), we get a palindrome (50234444443205).

The spelling of 20011131332203 in words is "twenty trillion, eleven billion, one hundred thirty-one million, three hundred thirty-two thousand, two hundred three".