201316500 has 432 divisors, whose sum is σ = 815645376. Its totient is φ = 41328000.

The previous prime is 201316481. The next prime is 201316513. The reversal of 201316500 is 5613102.

201316500 is a `hidden beast` number, since 2 + 0 + 13 + 1 + 650 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2425459 + ... + 2425541.

It is an arithmetic number, because the mean of its divisors is an integer number (1888068).

Almost surely, 2^201316500 is an apocalyptic number.

201316500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201316500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407822688).

201316500 is an abundant number, since it is smaller than the sum of its proper divisors (614328876).

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

201316500 is a wasteful number, since it uses less digits than its factorization.

201316500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 201316500 is about 14188.6045825514. The cubic root of 201316500 is about 586.0838988853.

Adding to 201316500 its reverse (5613102), we get a palindrome (206929602).

The spelling of 201316500 in words is "two hundred one million, three hundred sixteen thousand, five hundred".