201043580 has 24 divisors (see below), whose sum is σ = 422972928. Its totient is φ = 80268608.

The previous prime is 201043561. The next prime is 201043603. The reversal of 201043580 is 85340102.

201043580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117 + ... + 20163.

It is an arithmetic number, because the mean of its divisors is an integer number (17623872).

Almost surely, 2^201043580 is an apocalyptic number.

201043580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201043580 is an abundant number, since it is smaller than the sum of its proper divisors (221929348).

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

201043580 is a wasteful number, since it uses less digits than its factorization.

201043580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18613 (or 18611 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 201043580 is about 14178.9837435551. The cubic root of 201043580 is about 585.8189324367.

Adding to 201043580 its reverse (85340102), we get a palindrome (286383682).

The spelling of 201043580 in words is "two hundred one million, forty-three thousand, five hundred eighty".