20032120033 has 4 divisors (see below), whose sum is σ = 21086442160. Its totient is φ = 18977797908.

The previous prime is 20032120027. The next prime is 20032120049. The reversal of 20032120033 is 33002123002.

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 a de Polignac number, because none of the positive numbers 2^k-20032120033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20032119989 and 20032120016.

It is not an unprimeable number, because it can be changed into a prime (20032126033) 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, 527161035 + ... + 527161072.

It is an arithmetic number, because the mean of its divisors is an integer number (5271610540).

Almost surely, 2^20032120033 is an apocalyptic number.

It is an amenable number.

20032120033 is a deficient number, since it is larger than the sum of its proper divisors (1054322127).

20032120033 is a wasteful number, since it uses less digits than its factorization.

20032120033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054322126.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20032120033 its reverse (33002123002), we get a palindrome (53034243035).

The spelling of 20032120033 in words is "twenty billion, thirty-two million, one hundred twenty thousand, thirty-three".