20331322000133 has 4 divisors (see below), whose sum is σ = 20511245203788. Its totient is φ = 20151398796480.

The previous prime is 20331322000091. The next prime is 20331322000139. The reversal of 20331322000133 is 33100022313302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 504188043844 + 19827133956289 = 710062^2 + 4452767^2 .

It is a cyclic number.

It is not a de Polignac number, because 20331322000133 - 2²⁸ = 20331053564677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331322000099 and 20331322000108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331322000139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89961601658 + ... + 89961601883.

It is an arithmetic number, because the mean of its divisors is an integer number (5127811300947).

Almost surely, 2^{20331322000133} is an apocalyptic number.

It is an amenable number.

20331322000133 is a deficient number, since it is larger than the sum of its proper divisors (179923203655).

20331322000133 is a wasteful number, since it uses less digits than its factorization.

20331322000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179923203654.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20331322000133 its reverse (33100022313302), we get a palindrome (53431344313435).

The spelling of 20331322000133 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-two million, one hundred thirty-three", and thus it is an aban number.