200120020987 has 2 divisors, whose sum is σ = 200120020988. Its totient is φ = 200120020986.

The previous prime is 200120020937. The next prime is 200120021027. The reversal of 200120020987 is 789020021002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200120020987 - 2¹¹ = 200120018939 is a prime.

It is not a weakly prime, because it can be changed into another prime (200120020907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060010493 + 100060010494.

It is an arithmetic number, because the mean of its divisors is an integer number (100060010494).

Almost surely, 2^200120020987 is an apocalyptic number.

200120020987 is a deficient number, since it is larger than the sum of its proper divisors (1).

200120020987 is an equidigital number, since it uses as much as digits as its factorization.

200120020987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 200120020987 its reverse (789020021002), we get a palindrome (989140041989).

The spelling of 200120020987 in words is "two hundred billion, one hundred twenty million, twenty thousand, nine hundred eighty-seven".