20323224433 has 4 divisors (see below), whose sum is σ = 20428526308. Its totient is φ = 20217922560.

The previous prime is 20323224409. The next prime is 20323224451. The reversal of 20323224433 is 33442232302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4661202529 + 15662021904 = 68273^2 + 125148^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323224433 - 2⁵ = 20323224401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20323221433) 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, 52650648 + ... + 52651033.

It is an arithmetic number, because the mean of its divisors is an integer number (5107131577).

Almost surely, 2^20323224433 is an apocalyptic number.

It is an amenable number.

20323224433 is a deficient number, since it is larger than the sum of its proper divisors (105301875).

20323224433 is a wasteful number, since it uses less digits than its factorization.

20323224433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105301874.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 20323224433 its reverse (33442232302), we get a palindrome (53765456735).

The spelling of 20323224433 in words is "twenty billion, three hundred twenty-three million, two hundred twenty-four thousand, four hundred thirty-three".