20330332001123 has 4 divisors (see below), whose sum is σ = 21526233883560. Its totient is φ = 19134430118688.

The previous prime is 20330332001093. The next prime is 20330332001141. The reversal of 20330332001123 is 32110023303302.

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

It is a de Polignac number, because none of the positive numbers 2^k-20330332001123 is a prime.

It is a super-2 number, since 2×20330332001123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330332001183) 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, 597950941193 + ... + 597950941226.

It is an arithmetic number, because the mean of its divisors is an integer number (5381558470890).

Almost surely, 2^{20330332001123} is an apocalyptic number.

20330332001123 is a deficient number, since it is larger than the sum of its proper divisors (1195901882437).

20330332001123 is a wasteful number, since it uses less digits than its factorization.

20330332001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195901882436.

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

Adding to 20330332001123 its reverse (32110023303302), we get a palindrome (52440355304425).

The spelling of 20330332001123 in words is "twenty trillion, three hundred thirty billion, three hundred thirty-two million, one thousand, one hundred twenty-three".