201130520 has 32 divisors (see below), whose sum is σ = 464778000. Its totient is φ = 78277248.

The previous prime is 201130459. The next prime is 201130529. The reversal of 201130520 is 25031102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201130495 and 201130504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201130529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66470 + ... + 69429.

Almost surely, 2^201130520 is an apocalyptic number.

201130520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201130520 is an abundant number, since it is smaller than the sum of its proper divisors (263647480).

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

201130520 is a wasteful number, since it uses less digits than its factorization.

201130520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135947 (or 135943 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 201130520 is about 14182.0492172323. The cubic root of 201130520 is about 585.9033648073.

Adding to 201130520 its reverse (25031102), we get a palindrome (226161622).

The spelling of 201130520 in words is "two hundred one million, one hundred thirty thousand, five hundred twenty".