20321341411 has 4 divisors (see below), whose sum is σ = 23224390192. Its totient is φ = 17418292632.

The previous prime is 20321341399. The next prime is 20321341429. The reversal of 20321341411 is 11414312302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20321341411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20321341441) 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, 1451524380 + ... + 1451524393.

It is an arithmetic number, because the mean of its divisors is an integer number (5806097548).

Almost surely, 2^20321341411 is an apocalyptic number.

20321341411 is a deficient number, since it is larger than the sum of its proper divisors (2903048781).

20321341411 is an equidigital number, since it uses as much as digits as its factorization.

20321341411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903048780.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20321341411 its reverse (11414312302), we get a palindrome (31735653713).

The spelling of 20321341411 in words is "twenty billion, three hundred twenty-one million, three hundred forty-one thousand, four hundred eleven".