20424103233 has 4 divisors (see below), whose sum is σ = 27232137648. Its totient is φ = 13616068820.

The previous prime is 20424103213. The next prime is 20424103243. The reversal of 20424103233 is 33230142402.

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 20424103233 - 2²¹ = 20422006081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20424103213) 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, 3404017203 + ... + 3404017208.

It is an arithmetic number, because the mean of its divisors is an integer number (6808034412).

Almost surely, 2^20424103233 is an apocalyptic number.

It is an amenable number.

20424103233 is a deficient number, since it is larger than the sum of its proper divisors (6808034415).

20424103233 is an equidigital number, since it uses as much as digits as its factorization.

20424103233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6808034414.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20424103233 its reverse (33230142402), we get a palindrome (53654245635).

The spelling of 20424103233 in words is "twenty billion, four hundred twenty-four million, one hundred three thousand, two hundred thirty-three".