10081520 has 20 divisors (see below), whose sum is σ = 23439720. Its totient is φ = 4032576.

The previous prime is 10081499. The next prime is 10081523. The reversal of 10081520 is 2518001.

10081520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10081523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62930 + ... + 63089.

It is an arithmetic number, because the mean of its divisors is an integer number (1171986).

Almost surely, 2^10081520 is an apocalyptic number.

10081520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10081520 is an abundant number, since it is smaller than the sum of its proper divisors (13358200).

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

10081520 is a wasteful number, since it uses less digits than its factorization.

10081520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126032 (or 126026 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 10081520 is about 3175.1409417536. The cubic root of 10081520 is about 216.0273170755.

Adding to 10081520 its reverse (2518001), we get a palindrome (12599521).

It can be divided in two parts, 10081 and 520, that added together give a palindrome (10601).

The spelling of 10081520 in words is "ten million, eighty-one thousand, five hundred twenty".