5920204020221 has 2 divisors, whose sum is σ = 5920204020222. Its totient is φ = 5920204020220.

The previous prime is 5920204020209. The next prime is 5920204020317. The reversal of 5920204020221 is 1220204020295.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5211221496100 + 708982524121 = 2282810^2 + 842011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5920204020221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5920204023221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2960102010110 + 2960102010111.

It is an arithmetic number, because the mean of its divisors is an integer number (2960102010111).

Almost surely, 2^{5920204020221} is an apocalyptic number.

It is an amenable number.

5920204020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5920204020221 is an equidigital number, since it uses as much as digits as its factorization.

5920204020221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 5920204020221 in words is "five trillion, nine hundred twenty billion, two hundred four million, twenty thousand, two hundred twenty-one".