20325244535 has 4 divisors (see below), whose sum is σ = 24390293448. Its totient is φ = 16260195624.

The previous prime is 20325244531. The next prime is 20325244549. The reversal of 20325244535 is 53544252302.

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

It is a cyclic number.

It is not a de Polignac number, because 20325244535 - 2² = 20325244531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20325244495 and 20325244504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325244531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032524449 + ... + 2032524458.

It is an arithmetic number, because the mean of its divisors is an integer number (6097573362).

Almost surely, 2^20325244535 is an apocalyptic number.

20325244535 is a deficient number, since it is larger than the sum of its proper divisors (4065048913).

20325244535 is an equidigital number, since it uses as much as digits as its factorization.

20325244535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4065048912.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 20325244535 its reverse (53544252302), we get a palindrome (73869496837).

The spelling of 20325244535 in words is "twenty billion, three hundred twenty-five million, two hundred forty-four thousand, five hundred thirty-five".