205502027 has 2 divisors, whose sum is σ = 205502028. Its totient is φ = 205502026.

The previous prime is 205502023. The next prime is 205502051. The reversal of 205502027 is 720205502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 205502027 - 2² = 205502023 is a prime.

It is a super-2 number, since 2×205502027² = 84462166202217458, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 205501993 and 205502011.

It is not a weakly prime, because it can be changed into another prime (205502023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102751013 + 102751014.

It is an arithmetic number, because the mean of its divisors is an integer number (102751014).

Almost surely, 2^205502027 is an apocalyptic number.

205502027 is a deficient number, since it is larger than the sum of its proper divisors (1).

205502027 is an equidigital number, since it uses as much as digits as its factorization.

205502027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 205502027 is about 14335.3418864009. The cubic root of 205502027 is about 590.1177845856.

Adding to 205502027 its reverse (720205502), we get a palindrome (925707529).

The spelling of 205502027 in words is "two hundred five million, five hundred two thousand, twenty-seven".