20324534369 has 4 divisors (see below), whose sum is σ = 20369008644. Its totient is φ = 20280060096.

The previous prime is 20324534359. The next prime is 20324534383. The reversal of 20324534369 is 96343542302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16246051600 + 4078482769 = 127460^2 + 63863^2 .

It is a cyclic number.

It is not a de Polignac number, because 20324534369 - 2²⁴ = 20307757153 is a prime.

It is a super-2 number, since 2×20324534369² (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 (20324534339) 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, 22236452 + ... + 22237365.

It is an arithmetic number, because the mean of its divisors is an integer number (5092252161).

Almost surely, 2^20324534369 is an apocalyptic number.

It is an amenable number.

20324534369 is a deficient number, since it is larger than the sum of its proper divisors (44474275).

20324534369 is an equidigital number, since it uses as much as digits as its factorization.

20324534369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44474274.

The product of its (nonzero) digits is 466560, while the sum is 41.

The spelling of 20324534369 in words is "twenty billion, three hundred twenty-four million, five hundred thirty-four thousand, three hundred sixty-nine".