20243033433 has 40 divisors (see below), whose sum is σ = 35294890752. Its totient is φ = 11321316864.

The previous prime is 20243033429. The next prime is 20243033453. The reversal of 20243033433 is 33433034202.

It is not a de Polignac number, because 20243033433 - 2² = 20243033429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20243033397 and 20243033406.

It is not an unprimeable number, because it can be changed into a prime (20243033413) 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 39 ways as a sum of consecutive naturals, for example, 353160 + ... + 406457.

Almost surely, 2^20243033433 is an apocalyptic number.

It is an amenable number.

20243033433 is a deficient number, since it is larger than the sum of its proper divisors (15051857319).

20243033433 is an equidigital number, since it uses as much as digits as its factorization.

20243033433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759683 (or 759674 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 20243033433 its reverse (33433034202), we get a palindrome (53676067635).

The spelling of 20243033433 in words is "twenty billion, two hundred forty-three million, thirty-three thousand, four hundred thirty-three".