200001202157 has 2 divisors, whose sum is σ = 200001202158. Its totient is φ = 200001202156.

The previous prime is 200001202153. The next prime is 200001202241. The reversal of 200001202157 is 751202100002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131668105321 + 68333096836 = 362861^2 + 261406^2 .

It is a cyclic number.

It is not a de Polignac number, because 200001202157 - 2² = 200001202153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200001202153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100000601078 + 100000601079.

It is an arithmetic number, because the mean of its divisors is an integer number (100000601079).

Almost surely, 2^200001202157 is an apocalyptic number.

It is an amenable number.

200001202157 is a deficient number, since it is larger than the sum of its proper divisors (1).

200001202157 is an equidigital number, since it uses as much as digits as its factorization.

200001202157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

Adding to 200001202157 its reverse (751202100002), we get a palindrome (951203302159).

The spelling of 200001202157 in words is "two hundred billion, one million, two hundred two thousand, one hundred fifty-seven".