1020200452241 has 2 divisors, whose sum is σ = 1020200452242. Its totient is φ = 1020200452240.

The previous prime is 1020200452237. The next prime is 1020200452393. The reversal of 1020200452241 is 1422540020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 628444635025 + 391755817216 = 792745^2 + 625904^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020200452241 - 2² = 1020200452237 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020200452741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510100226120 + 510100226121.

It is an arithmetic number, because the mean of its divisors is an integer number (510100226121).

Almost surely, 2^{1020200452241} is an apocalyptic number.

It is an amenable number.

1020200452241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020200452241 is an equidigital number, since it uses as much as digits as its factorization.

1020200452241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 1020200452241 its reverse (1422540020201), we get a palindrome (2442740472442).

The spelling of 1020200452241 in words is "one trillion, twenty billion, two hundred million, four hundred fifty-two thousand, two hundred forty-one".