20313444012133 has 8 divisors (see below), whose sum is σ = 20421137855520. Its totient is φ = 20205857920080.

The previous prime is 20313444012119. The next prime is 20313444012167. The reversal of 20313444012133 is 33121044431302.

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-20313444012133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20313444012095 and 20313444012104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313444012233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26559778 + ... + 27313891.

It is an arithmetic number, because the mean of its divisors is an integer number (2552642231940).

Almost surely, 2^{20313444012133} is an apocalyptic number.

It is an amenable number.

20313444012133 is a deficient number, since it is larger than the sum of its proper divisors (107693843387).

20313444012133 is a wasteful number, since it uses less digits than its factorization.

20313444012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53875667.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 20313444012133 its reverse (33121044431302), we get a palindrome (53434488443435).

The spelling of 20313444012133 in words is "twenty trillion, three hundred thirteen billion, four hundred forty-four million, twelve thousand, one hundred thirty-three".