20118200 has 24 divisors (see below), whose sum is σ = 46775280. Its totient is φ = 8047200.

The previous prime is 20118193. The next prime is 20118223. The reversal of 20118200 is 281102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50096 + ... + 50495.

It is an arithmetic number, because the mean of its divisors is an integer number (1948970).

Almost surely, 2^20118200 is an apocalyptic number.

20118200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20118200 is an abundant number, since it is smaller than the sum of its proper divisors (26657080).

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

20118200 is a wasteful number, since it uses less digits than its factorization.

20118200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100607 (or 100598 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 20118200 is about 4485.3316488304. The cubic root of 20118200 is about 271.9754519368.

Adding to 20118200 its reverse (281102), we get a palindrome (20399302).

The spelling of 20118200 in words is "twenty million, one hundred eighteen thousand, two hundred".