205444201147 has 2 divisors, whose sum is σ = 205444201148. Its totient is φ = 205444201146.

The previous prime is 205444201121. The next prime is 205444201163. The reversal of 205444201147 is 741102444502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 205444201147 - 2⁷ = 205444201019 is a prime.

It is a super-2 number, since 2×205444201147² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (205444201747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102722100573 + 102722100574.

It is an arithmetic number, because the mean of its divisors is an integer number (102722100574).

Almost surely, 2^205444201147 is an apocalyptic number.

205444201147 is a deficient number, since it is larger than the sum of its proper divisors (1).

205444201147 is an equidigital number, since it uses as much as digits as its factorization.

205444201147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 34.

Adding to 205444201147 its reverse (741102444502), we get a palindrome (946546645649).

The spelling of 205444201147 in words is "two hundred five billion, four hundred forty-four million, two hundred one thousand, one hundred forty-seven".