20534320041 has 4 divisors (see below), whose sum is σ = 27379093392. Its totient is φ = 13689546692.

The previous prime is 20534319997. The next prime is 20534320073. The reversal of 20534320041 is 14002343502.

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 not a de Polignac number, because 20534320041 - 2¹⁸ = 20534057897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20534319993 and 20534320020.

It is not an unprimeable number, because it can be changed into a prime (20534320441) 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, 3422386671 + ... + 3422386676.

It is an arithmetic number, because the mean of its divisors is an integer number (6844773348).

Almost surely, 2^20534320041 is an apocalyptic number.

It is an amenable number.

20534320041 is a deficient number, since it is larger than the sum of its proper divisors (6844773351).

20534320041 is an equidigital number, since it uses as much as digits as its factorization.

20534320041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844773350.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20534320041 its reverse (14002343502), we get a palindrome (34536663543).

The spelling of 20534320041 in words is "twenty billion, five hundred thirty-four million, three hundred twenty thousand, forty-one".