20321004142041 has 4 divisors (see below), whose sum is σ = 27094672189392. Its totient is φ = 13547336094692.

The previous prime is 20321004141959. The next prime is 20321004142091. The reversal of 20321004142041 is 14024140012302.

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 20321004142041 - 2¹¹ = 20321004139993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20321004142091) 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, 3386834023671 + ... + 3386834023676.

It is an arithmetic number, because the mean of its divisors is an integer number (6773668047348).

Almost surely, 2^{20321004142041} is an apocalyptic number.

It is an amenable number.

20321004142041 is a deficient number, since it is larger than the sum of its proper divisors (6773668047351).

20321004142041 is an equidigital number, since it uses as much as digits as its factorization.

20321004142041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773668047350.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 20321004142041 its reverse (14024140012302), we get a palindrome (34345144154343).

The spelling of 20321004142041 in words is "twenty trillion, three hundred twenty-one billion, four million, one hundred forty-two thousand, forty-one".