20104503622321 has 2 divisors, whose sum is σ = 20104503622322. Its totient is φ = 20104503622320.

The previous prime is 20104503622283. The next prime is 20104503622327. The reversal of 20104503622321 is 12322630540102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10253034545296 + 9851469077025 = 3202036^2 + 3138705^2 .

It is a cyclic number.

It is not a de Polignac number, because 20104503622321 - 2³⁵ = 20070143883953 is a prime.

It is not a weakly prime, because it can be changed into another prime (20104503622327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052251811160 + 10052251811161.

It is an arithmetic number, because the mean of its divisors is an integer number (10052251811161).

Almost surely, 2^{20104503622321} is an apocalyptic number.

It is an amenable number.

20104503622321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104503622321 is an equidigital number, since it uses as much as digits as its factorization.

20104503622321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20104503622321 in words is "twenty trillion, one hundred four billion, five hundred three million, six hundred twenty-two thousand, three hundred twenty-one".