10018320 has 160 divisors (see below), whose sum is σ = 35414400. Its totient is φ = 2336256.

The previous prime is 10018319. The next prime is 10018357. The reversal of 10018320 is 2381001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10018320.

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, 527271 + ... + 527289.

It is an arithmetic number, because the mean of its divisors is an integer number (221340).

Almost surely, 2^10018320 is an apocalyptic number.

10018320 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 10018320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17707200).

10018320 is an abundant number, since it is smaller than the sum of its proper divisors (25396080).

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

10018320 is a wasteful number, since it uses less digits than its factorization.

10018320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 10018320 is about 3165.1729810549. The cubic root of 10018320 is about 215.5749528881.

Adding to 10018320 its reverse (2381001), we get a palindrome (12399321).

The spelling of 10018320 in words is "ten million, eighteen thousand, three hundred twenty".