20221020033 has 4 divisors (see below), whose sum is σ = 26961360048. Its totient is φ = 13480680020.

The previous prime is 20221019993. The next prime is 20221020059. The reversal of 20221020033 is 33002012202.

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 20221020033 - 2⁹ = 20221019521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20221019994 and 20221020021.

It is not an unprimeable number, because it can be changed into a prime (20221020433) 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, 3370170003 + ... + 3370170008.

It is an arithmetic number, because the mean of its divisors is an integer number (6740340012).

Almost surely, 2^20221020033 is an apocalyptic number.

It is an amenable number.

20221020033 is a deficient number, since it is larger than the sum of its proper divisors (6740340015).

20221020033 is an equidigital number, since it uses as much as digits as its factorization.

20221020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740340014.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20221020033 its reverse (33002012202), we get a palindrome (53223032235).

The spelling of 20221020033 in words is "twenty billion, two hundred twenty-one million, twenty thousand, thirty-three".