1020200201 has 2 divisors, whose sum is σ = 1020200202. Its totient is φ = 1020200200.

The previous prime is 1020200197. The next prime is 1020200219. The reversal of 1020200201 is 1020020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785344576 + 234855625 = 28024^2 + 15325^2 .

It is an emirp because it is prime and its reverse (1020020201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020200201 - 2² = 1020200197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020200221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510100100 + 510100101.

It is an arithmetic number, because the mean of its divisors is an integer number (510100101).

Almost surely, 2^1020200201 is an apocalyptic number.

It is an amenable number.

1020200201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020200201 is an equidigital number, since it uses as much as digits as its factorization.

1020200201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1020200201 is about 31940.5729597952. The cubic root of 1020200201 is about 1006.6885637070.

Adding to 1020200201 its reverse (1020020201), we get a palindrome (2040220402).

The spelling of 1020200201 in words is "one billion, twenty million, two hundred thousand, two hundred one".