10328520 has 128 divisors (see below), whose sum is σ = 33747840. Its totient is φ = 2519040.

The previous prime is 10328491. The next prime is 10328561. The reversal of 10328520 is 2582301.

Added to its reverse (2582301) it gives a triangular number (12910821 = T₅₀₈₁).

10328520 is digitally balanced in base 2, 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 31 ways as a sum of consecutive naturals, for example, 124399 + ... + 124481.

It is an arithmetic number, because the mean of its divisors is an integer number (263655).

Almost surely, 2^10328520 is an apocalyptic number.

10328520 is a gapful number since it is divisible by the number (10) 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 10328520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16873920).

10328520 is an abundant number, since it is smaller than the sum of its proper divisors (23419320).

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

10328520 is a wasteful number, since it uses less digits than its factorization.

10328520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 10328520 is about 3213.8014873355. The cubic root of 10328520 is about 217.7773447012. Note that the first 3 decimals are identical.

Adding to 10328520 its reverse (2582301), we get a triangular number (12910821 = T₅₀₈₁).

The spelling of 10328520 in words is "ten million, three hundred twenty-eight thousand, five hundred twenty".