20233535305 has 8 divisors (see below), whose sum is σ = 24281046792. Its totient is φ = 16186291968.

The previous prime is 20233535291. The next prime is 20233535351. The reversal of 20233535305 is 50353533202.

It can be written as a sum of positive squares in 4 ways, for example, as 983637769 + 19249897536 = 31363^2 + 138744^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20233535305 - 2¹⁹ = 20233011017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 185377 + ... + 273553.

It is an arithmetic number, because the mean of its divisors is an integer number (3035130849).

Almost surely, 2^20233535305 is an apocalyptic number.

It is an amenable number.

20233535305 is a deficient number, since it is larger than the sum of its proper divisors (4047511487).

20233535305 is an equidigital number, since it uses as much as digits as its factorization.

20233535305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134075.

The product of its (nonzero) digits is 40500, while the sum is 31.

The spelling of 20233535305 in words is "twenty billion, two hundred thirty-three million, five hundred thirty-five thousand, three hundred five".