202540256 has 24 divisors (see below), whose sum is σ = 400420944. Its totient is φ = 100846080.

The previous prime is 202540213. The next prime is 202540259. The reversal of 202540256 is 652045202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202540259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5420 + ... + 20843.

It is an arithmetic number, because the mean of its divisors is an integer number (16684206).

Almost surely, 2^202540256 is an apocalyptic number.

It is an amenable number.

202540256 is a deficient number, since it is larger than the sum of its proper divisors (197880688).

202540256 is a wasteful number, since it uses less digits than its factorization.

202540256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26514 (or 26506 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 202540256 is about 14231.6638521292. The cubic root of 202540256 is about 587.2690564148.

Adding to 202540256 its reverse (652045202), we get a palindrome (854585458).

The spelling of 202540256 in words is "two hundred two million, five hundred forty thousand, two hundred fifty-six".