100005320 has 32 divisors (see below), whose sum is σ = 227086200. Its totient is φ = 39633408.

The previous prime is 100005319. The next prime is 100005343. The reversal of 100005320 is 23500001.

It can be written as a sum of positive squares in 4 ways, for example, as 77404804 + 22600516 = 8798^2 + 4754^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7109 + ... + 15828.

Almost surely, 2^100005320 is an apocalyptic number.

100005320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100005320 is an abundant number, since it is smaller than the sum of its proper divisors (127080880).

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

100005320 is a wasteful number, since it uses less digits than its factorization.

100005320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23057 (or 23053 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 100005320 is about 10000.2659964623. The cubic root of 100005320 is about 464.1671142995.

Adding to 100005320 its reverse (23500001), we get a palindrome (123505321).

The spelling of 100005320 in words is "one hundred million, five thousand, three hundred twenty".