201316580 has 24 divisors (see below), whose sum is σ = 423355128. Its totient is φ = 80414208.

The previous prime is 201316543. The next prime is 201316603. The reversal of 201316580 is 85613102.

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 201242596 = 272^2 + 14186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8492 + ... + 21788.

It is an arithmetic number, because the mean of its divisors is an integer number (17639797).

Almost surely, 2^201316580 is an apocalyptic number.

201316580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201316580 is an abundant number, since it is smaller than the sum of its proper divisors (222038548).

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

201316580 is a wasteful number, since it uses less digits than its factorization.

201316580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14063 (or 14061 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 201316580 is about 14188.6074017149. The cubic root of 201316580 is about 586.0839765187.

Adding to 201316580 its reverse (85613102), we get a palindrome (286929682).

The spelling of 201316580 in words is "two hundred one million, three hundred sixteen thousand, five hundred eighty".