20104525321 has 2 divisors, whose sum is σ = 20104525322. Its totient is φ = 20104525320.

The previous prime is 20104525307. The next prime is 20104525333. The reversal of 20104525321 is 12352540102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19071610000 + 1032915321 = 138100^2 + 32139^2 .

It is a cyclic number.

It is not a de Polignac number, because 20104525321 - 2¹³ = 20104517129 is a prime.

It is not a weakly prime, because it can be changed into another prime (20104525121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10052262660 + 10052262661.

It is an arithmetic number, because the mean of its divisors is an integer number (10052262661).

Almost surely, 2^20104525321 is an apocalyptic number.

It is an amenable number.

20104525321 is a deficient number, since it is larger than the sum of its proper divisors (1).

20104525321 is an equidigital number, since it uses as much as digits as its factorization.

20104525321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20104525321 in words is "twenty billion, one hundred four million, five hundred twenty-five thousand, three hundred twenty-one".