20430673335 has 56 divisors (see below), whose sum is σ = 38356745184. Its totient is φ = 10422561600.

The previous prime is 20430673297. The next prime is 20430673339. The reversal of 20430673335 is 53337603402.

It is not a de Polignac number, because 20430673335 - 2⁸ = 20430673079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20430673335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20430673339) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 38016 + ... + 205685.

Almost surely, 2^20430673335 is an apocalyptic number.

20430673335 is a deficient number, since it is larger than the sum of its proper divisors (17926071849).

20430673335 is an equidigital number, since it uses as much as digits as its factorization.

20430673335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243747 (or 243732 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 36.

It can be divided in two parts, 2043067 and 3335, that added together give a palindrome (2046402).

The spelling of 20430673335 in words is "twenty billion, four hundred thirty million, six hundred seventy-three thousand, three hundred thirty-five".