201447680 has 72 divisors (see below), whose sum is σ = 551487552. Its totient is φ = 69064704.

The previous prime is 201447629. The next prime is 201447683. The reversal of 201447680 is 86744102.

It is a super-3 number, since 3×201447680³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (201447683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282 + ... + 20201.

Almost surely, 2^201447680 is an apocalyptic number.

201447680 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 201447680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275743776).

201447680 is an abundant number, since it is smaller than the sum of its proper divisors (350039872).

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

201447680 is an equidigital number, since it uses as much as digits as its factorization.

201447680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22511 (or 22497 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 201447680 is about 14193.2265535360. The cubic root of 201447680 is about 586.2111707726.

It can be divided in two parts, 2014 and 47680, that added together give a palindrome (49694).

The spelling of 201447680 in words is "two hundred one million, four hundred forty-seven thousand, six hundred eighty".