201317400 has 360 divisors, whose sum is σ = 760027620. Its totient is φ = 49351680.

The previous prime is 201317393. The next prime is 201317401. The reversal of 201317400 is 4713102.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201317401) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 4681779 + ... + 4681821.

Almost surely, 2^201317400 is an apocalyptic number.

201317400 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 201317400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380013810).

201317400 is an abundant number, since it is smaller than the sum of its proper divisors (558710220).

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

201317400 is a wasteful number, since it uses less digits than its factorization.

201317400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 201317400 is about 14188.6362981084. The cubic root of 201317400 is about 586.0847722608.

The spelling of 201317400 in words is "two hundred one million, three hundred seventeen thousand, four hundred".