201268280 has 32 divisors (see below), whose sum is σ = 460283040. Its totient is φ = 79186560.

The previous prime is 201268259. The next prime is 201268297. The reversal of 201268280 is 82862102.

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 7 ways as a sum of consecutive naturals, for example, 38804 + ... + 43683.

It is an arithmetic number, because the mean of its divisors is an integer number (14383845).

Almost surely, 2^201268280 is an apocalyptic number.

201268280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201268280 is an abundant number, since it is smaller than the sum of its proper divisors (259014760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201268280 is a wasteful number, since it uses less digits than its factorization.

201268280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82559 (or 82555 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 201268280 is about 14186.9052298237. The cubic root of 201268280 is about 586.0371015582.

The spelling of 201268280 in words is "two hundred one million, two hundred sixty-eight thousand, two hundred eighty".