20233121131133 has 8 divisors (see below), whose sum is σ = 21428368217280. Its totient is φ = 19038436655040.

The previous prime is 20233121131127. The next prime is 20233121131169. The reversal of 20233121131133 is 33113112133202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20233121131133 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 (20233121131123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140578463 + ... + 140722316.

It is an arithmetic number, because the mean of its divisors is an integer number (2678546027160).

Almost surely, 2^{20233121131133} is an apocalyptic number.

It is an amenable number.

20233121131133 is a deficient number, since it is larger than the sum of its proper divisors (1195247086147).

20233121131133 is a wasteful number, since it uses less digits than its factorization.

20233121131133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281305027.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 20233121131133 its reverse (33113112133202), we get a palindrome (53346233264335).

The spelling of 20233121131133 in words is "twenty trillion, two hundred thirty-three billion, one hundred twenty-one million, one hundred thirty-one thousand, one hundred thirty-three".