18805010 has 16 divisors (see below), whose sum is σ = 38684736. Its totient is φ = 6447408.

The previous prime is 18804997. The next prime is 18805013. The reversal of 18805010 is 1050881.

It is a super-2 number, since 2×18805010² = 707256802200200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18805013) 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, 134252 + ... + 134391.

It is an arithmetic number, because the mean of its divisors is an integer number (2417796).

Almost surely, 2^18805010 is an apocalyptic number.

18805010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18805010 is an abundant number, since it is smaller than the sum of its proper divisors (19879726).

18805010 is a wasteful number, since it uses less digits than its factorization.

18805010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268657.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 18805010 is about 4336.4743744198. The cubic root of 18805010 is about 265.9241968409.

Adding to 18805010 its reverse (1050881), we get a palindrome (19855891).

The spelling of 18805010 in words is "eighteen million, eight hundred five thousand, ten".