201220133047 has 2 divisors, whose sum is σ = 201220133048. Its totient is φ = 201220133046.

The previous prime is 201220132963. The next prime is 201220133117. The reversal of 201220133047 is 740331022102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201220133047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201220133347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100610066523 + 100610066524.

It is an arithmetic number, because the mean of its divisors is an integer number (100610066524).

Almost surely, 2^201220133047 is an apocalyptic number.

201220133047 is a deficient number, since it is larger than the sum of its proper divisors (1).

201220133047 is an equidigital number, since it uses as much as digits as its factorization.

201220133047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 201220133047 its reverse (740331022102), we get a palindrome (941551155149).

The spelling of 201220133047 in words is "two hundred one billion, two hundred twenty million, one hundred thirty-three thousand, forty-seven".