20020200122201 has 2 divisors, whose sum is σ = 20020200122202. Its totient is φ = 20020200122200.

The previous prime is 20020200122171. The next prime is 20020200122203. The reversal of 20020200122201 is 10222100202002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10087617562201 + 9932582560000 = 3176101^2 + 3151600^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020200122201 - 2³⁴ = 20003020253017 is a prime.

Together with 20020200122203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20020200122203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010100061100 + 10010100061101.

It is an arithmetic number, because the mean of its divisors is an integer number (10010100061101).

Almost surely, 2^{20020200122201} is an apocalyptic number.

It is an amenable number.

20020200122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020200122201 is an equidigital number, since it uses as much as digits as its factorization.

20020200122201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20020200122201 its reverse (10222100202002), we get a palindrome (30242300324203).

The spelling of 20020200122201 in words is "twenty trillion, twenty billion, two hundred million, one hundred twenty-two thousand, two hundred one".