201441520 has 80 divisors (see below), whose sum is σ = 544125888. Its totient is φ = 67921920.

The previous prime is 201441497. The next prime is 201441563. The reversal of 201441520 is 25144102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31212 + ... + 37108.

Almost surely, 2^201441520 is an apocalyptic number.

201441520 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 201441520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272062944).

201441520 is an abundant number, since it is smaller than the sum of its proper divisors (342684368).

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

201441520 is a wasteful number, since it uses less digits than its factorization.

201441520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5978 (or 5972 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 201441520 is about 14193.0095469566. The cubic root of 201441520 is about 586.2051955278.

Adding to 201441520 its reverse (25144102), we get a palindrome (226585622).

It can be divided in two parts, 2014 and 41520, that added together give a palindrome (43534).

The spelling of 201441520 in words is "two hundred one million, four hundred forty-one thousand, five hundred twenty".