20003221023233 has 4 divisors (see below), whose sum is σ = 22860824026560. Its totient is φ = 17145618019908.

The previous prime is 20003221023221. The next prime is 20003221023277. The reversal of 20003221023233 is 33232012230002.

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 20003221023233 - 2¹² = 20003221019137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003221023199 and 20003221023208.

It is not an unprimeable number, because it can be changed into a prime (20003221023293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428801501653 + ... + 1428801501666.

It is an arithmetic number, because the mean of its divisors is an integer number (5715206006640).

Almost surely, 2^{20003221023233} is an apocalyptic number.

It is an amenable number.

20003221023233 is a deficient number, since it is larger than the sum of its proper divisors (2857603003327).

20003221023233 is an equidigital number, since it uses as much as digits as its factorization.

20003221023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857603003326.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20003221023233 its reverse (33232012230002), we get a palindrome (53235233253235).

The spelling of 20003221023233 in words is "twenty trillion, three billion, two hundred twenty-one million, twenty-three thousand, two hundred thirty-three".