20304222033 has 4 divisors (see below), whose sum is σ = 27072296048. Its totient is φ = 13536148020.

The previous prime is 20304222031. The next prime is 20304222077. The reversal of 20304222033 is 33022240302.

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 20304222033 - 2¹ = 20304222031 is a prime.

It is a super-2 number, since 2×20304222033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20304222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3384037003 + ... + 3384037008.

It is an arithmetic number, because the mean of its divisors is an integer number (6768074012).

Almost surely, 2^20304222033 is an apocalyptic number.

It is an amenable number.

20304222033 is a deficient number, since it is larger than the sum of its proper divisors (6768074015).

20304222033 is an equidigital number, since it uses as much as digits as its factorization.

20304222033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768074014.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20304222033 its reverse (33022240302), we get a palindrome (53326462335).

The spelling of 20304222033 in words is "twenty billion, three hundred four million, two hundred twenty-two thousand, thirty-three".