20123022331133 has 8 divisors (see below), whose sum is σ = 21882587082552. Its totient is φ = 18427441752576.

The previous prime is 20123022331051. The next prime is 20123022331171. The reversal of 20123022331133 is 33113322032102.

It can be written as a sum of positive squares in 4 ways, for example, as 11593602783844 + 8529419547289 = 3404938^2 + 2920517^2 .

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-20123022331133 is a prime.

It is a super-3 number, since 3×20123022331133³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123022331733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15996042560 + ... + 15996043817.

It is an arithmetic number, because the mean of its divisors is an integer number (2735323385319).

Almost surely, 2^{20123022331133} is an apocalyptic number.

It is an amenable number.

20123022331133 is a deficient number, since it is larger than the sum of its proper divisors (1759564751419).

20123022331133 is a wasteful number, since it uses less digits than its factorization.

20123022331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31992086431.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20123022331133 its reverse (33113322032102), we get a palindrome (53236344363235).

The spelling of 20123022331133 in words is "twenty trillion, one hundred twenty-three billion, twenty-two million, three hundred thirty-one thousand, one hundred thirty-three".