200020202111009 has 6 divisors (see below), whose sum is σ = 232676561639394. Its totient is φ = 171445887523680.

The previous prime is 200020202110961. The next prime is 200020202111011. The reversal of 200020202111009 is 900111202020002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 179254208302225 + 20765993808784 = 13388585^2 + 4556972^2 .

It is not a de Polignac number, because 200020202111009 - 2¹² = 200020202106913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200020202411009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2041022470472 + ... + 2041022470569.

It is an arithmetic number, because the mean of its divisors is an integer number (38779426939899).

Almost surely, 2^{200020202111009} is an apocalyptic number.

It is an amenable number.

200020202111009 is a deficient number, since it is larger than the sum of its proper divisors (32656359528385).

200020202111009 is an equidigital number, since it uses as much as digits as its factorization.

200020202111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082044941055 (or 4082044941048 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 200020202111009 in words is "two hundred trillion, twenty billion, two hundred two million, one hundred eleven thousand, nine".