20041322321 has 16 divisors (see below), whose sum is σ = 21634107264. Its totient is φ = 18494970624.

The previous prime is 20041322317. The next prime is 20041322363. The reversal of 20041322321 is 12322314002.

It is a cyclic number.

It is not a de Polignac number, because 20041322321 - 2² = 20041322317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20041322293 and 20041322302.

It is not an unprimeable number, because it can be changed into a prime (20041322221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658126 + ... + 1670168.

It is an arithmetic number, because the mean of its divisors is an integer number (1352131704).

Almost surely, 2^20041322321 is an apocalyptic number.

It is an amenable number.

20041322321 is a deficient number, since it is larger than the sum of its proper divisors (1592784943).

20041322321 is a wasteful number, since it uses less digits than its factorization.

20041322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20041322321 its reverse (12322314002), we get a palindrome (32363636323).

The spelling of 20041322321 in words is "twenty billion, forty-one million, three hundred twenty-two thousand, three hundred twenty-one".