200020211077 has 2 divisors, whose sum is σ = 200020211078. Its totient is φ = 200020211076.

The previous prime is 200020210997. The next prime is 200020211173. The reversal of 200020211077 is 770112020002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189678541441 + 10341669636 = 435521^2 + 101694^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020211077 - 2¹¹ = 200020209029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200020211477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010105538 + 100010105539.

It is an arithmetic number, because the mean of its divisors is an integer number (100010105539).

Almost surely, 2^200020211077 is an apocalyptic number.

It is an amenable number.

200020211077 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020211077 is an equidigital number, since it uses as much as digits as its factorization.

200020211077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

Adding to 200020211077 its reverse (770112020002), we get a palindrome (970132231079).

The spelling of 200020211077 in words is "two hundred billion, twenty million, two hundred eleven thousand, seventy-seven".