20201200203187 has 2 divisors, whose sum is σ = 20201200203188. Its totient is φ = 20201200203186.

The previous prime is 20201200203161. The next prime is 20201200203263. The reversal of 20201200203187 is 78130200210202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201200203187 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201200203127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100600101593 + 10100600101594.

It is an arithmetic number, because the mean of its divisors is an integer number (10100600101594).

Almost surely, 2^{20201200203187} is an apocalyptic number.

20201200203187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201200203187 is an equidigital number, since it uses as much as digits as its factorization.

20201200203187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 20201200203187 its reverse (78130200210202), we get a palindrome (98331400413389).

The spelling of 20201200203187 in words is "twenty trillion, two hundred one billion, two hundred million, two hundred three thousand, one hundred eighty-seven".