20033313233 has 4 divisors (see below), whose sum is σ = 21087698160. Its totient is φ = 18978928308.

The previous prime is 20033313227. The next prime is 20033313253. The reversal of 20033313233 is 33231333002.

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 20033313233 - 2⁶ = 20033313169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20033313199 and 20033313208.

It is not an unprimeable number, because it can be changed into a prime (20033313203) 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, 527192435 + ... + 527192472.

It is an arithmetic number, because the mean of its divisors is an integer number (5271924540).

Almost surely, 2^20033313233 is an apocalyptic number.

It is an amenable number.

20033313233 is a deficient number, since it is larger than the sum of its proper divisors (1054384927).

20033313233 is a wasteful number, since it uses less digits than its factorization.

20033313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054384926.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20033313233 its reverse (33231333002), we get a palindrome (53264646235).

The spelling of 20033313233 in words is "twenty billion, thirty-three million, three hundred thirteen thousand, two hundred thirty-three".