20345032331033 has 4 divisors (see below), whose sum is σ = 20411302794960. Its totient is φ = 20278761867108.

The previous prime is 20345032330937. The next prime is 20345032331051. The reversal of 20345032331033 is 33013323054302.

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 a cyclic number.

It is not a de Polignac number, because 20345032331033 - 2⁴² = 15946985819929 is a prime.

It is a super-3 number, since 3×20345032331033³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20345032331083) 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, 33135231503 + ... + 33135232116.

It is an arithmetic number, because the mean of its divisors is an integer number (5102825698740).

Almost surely, 2^{20345032331033} is an apocalyptic number.

It is an amenable number.

20345032331033 is a deficient number, since it is larger than the sum of its proper divisors (66270463927).

20345032331033 is an equidigital number, since it uses as much as digits as its factorization.

20345032331033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66270463926.

The product of its (nonzero) digits is 58320, while the sum is 32.

Adding to 20345032331033 its reverse (33013323054302), we get a palindrome (53358355385335).

The spelling of 20345032331033 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, three hundred thirty-one thousand, thirty-three".