20535323041 has 4 divisors (see below), whose sum is σ = 20538639792. Its totient is φ = 20532006292.

The previous prime is 20535322957. The next prime is 20535323069. The reversal of 20535323041 is 14032353502.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20535323041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20535323141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649071 + ... + 1661476.

It is an arithmetic number, because the mean of its divisors is an integer number (5134659948).

Almost surely, 2^20535323041 is an apocalyptic number.

It is an amenable number.

20535323041 is a deficient number, since it is larger than the sum of its proper divisors (3316751).

20535323041 is an equidigital number, since it uses as much as digits as its factorization.

20535323041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316750.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 20535323041 its reverse (14032353502), we get a palindrome (34567676543).

The spelling of 20535323041 in words is "twenty billion, five hundred thirty-five million, three hundred twenty-three thousand, forty-one".