202505055 has 16 divisors (see below), whose sum is σ = 329321184. Its totient is φ = 106231680.

The previous prime is 202505047. The next prime is 202505063. The reversal of 202505055 is 550505202.

It is an interprime number because it is at equal distance from previous prime (202505047) and next prime (202505063).

It is not a de Polignac number, because 202505055 - 2³ = 202505047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 109744 + ... + 111573.

It is an arithmetic number, because the mean of its divisors is an integer number (20582574).

Almost surely, 2^202505055 is an apocalyptic number.

202505055 is a deficient number, since it is larger than the sum of its proper divisors (126816129).

202505055 is a wasteful number, since it uses less digits than its factorization.

202505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221386.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 202505055 is about 14230.4270842445. The cubic root of 202505055 is about 587.2350324695.

The spelling of 202505055 in words is "two hundred two million, five hundred five thousand, fifty-five".