201216460 has 24 divisors (see below), whose sum is σ = 444795120. Its totient is φ = 76250304.

The previous prime is 201216439. The next prime is 201216467. The reversal of 201216460 is 64612102.

It is not an unprimeable number, because it can be changed into a prime (201216467) 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 in 7 ways as a sum of consecutive naturals, for example, 264379 + ... + 265138.

It is an arithmetic number, because the mean of its divisors is an integer number (18533130).

Almost surely, 2^201216460 is an apocalyptic number.

201216460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201216460 is an abundant number, since it is smaller than the sum of its proper divisors (243578660).

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

201216460 is a wasteful number, since it uses less digits than its factorization.

201216460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529545 (or 529543 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 201216460 is about 14185.0787801831. The cubic root of 201216460 is about 585.9868021116.

Adding to 201216460 its reverse (64612102), we get a palindrome (265828562).

The spelling of 201216460 in words is "two hundred one million, two hundred sixteen thousand, four hundred sixty".