100013320 has 32 divisors (see below), whose sum is σ = 245488320. Its totient is φ = 36368320.

The previous prime is 100013311. The next prime is 100013327. The reversal of 100013320 is 23310001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100013297 and 100013306.

It is not an unprimeable number, because it can be changed into a prime (100013327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113212 + ... + 114091.

It is an arithmetic number, because the mean of its divisors is an integer number (7671510).

Almost surely, 2^100013320 is an apocalyptic number.

100013320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100013320 is an abundant number, since it is smaller than the sum of its proper divisors (145475000).

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

100013320 is a wasteful number, since it uses less digits than its factorization.

100013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227325 (or 227321 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 100013320 is about 10000.6659778237. The cubic root of 100013320 is about 464.1794911007.

Adding to 100013320 its reverse (23310001), we get a palindrome (123323321).

The spelling of 100013320 in words is "one hundred million, thirteen thousand, three hundred twenty".