18036200 has 96 divisors (see below), whose sum is σ = 51663360. Its totient is φ = 5702400.

The previous prime is 18036169. The next prime is 18036229. The reversal of 18036200 is 263081.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17705 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (538160).

Almost surely, 2^18036200 is an apocalyptic number.

18036200 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 18036200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25831680).

18036200 is an abundant number, since it is smaller than the sum of its proper divisors (33627160).

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

18036200 is a wasteful number, since it uses less digits than its factorization.

18036200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 18036200 is about 4246.9047552306. The cubic root of 18036200 is about 262.2497085150.

Adding to 18036200 its reverse (263081), we get a palindrome (18299281).

The spelling of 18036200 in words is "eighteen million, thirty-six thousand, two hundred".