20320001123133 has 4 divisors (see below), whose sum is σ = 27093334830848. Its totient is φ = 13546667415420.

The previous prime is 20320001123083. The next prime is 20320001123173. The reversal of 20320001123133 is 33132110002302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20320001123133 - 2¹⁴ = 20320001106749 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 (20320001123173) 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, 3386666853853 + ... + 3386666853858.

It is an arithmetic number, because the mean of its divisors is an integer number (6773333707712).

Almost surely, 2^{20320001123133} is an apocalyptic number.

It is an amenable number.

20320001123133 is a deficient number, since it is larger than the sum of its proper divisors (6773333707715).

20320001123133 is an equidigital number, since it uses as much as digits as its factorization.

20320001123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773333707714.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20320001123133 its reverse (33132110002302), we get a palindrome (53452111125435).

The spelling of 20320001123133 in words is "twenty trillion, three hundred twenty billion, one million, one hundred twenty-three thousand, one hundred thirty-three".