100203200 has 42 divisors (see below), whose sum is σ = 246566436. Its totient is φ = 40080640.

The previous prime is 100203199. The next prime is 100203247. The reversal of 100203200 is 2302001.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 29714 + ... + 32913.

Almost surely, 2^100203200 is an apocalyptic number.

100203200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100203200 is an abundant number, since it is smaller than the sum of its proper divisors (146363236).

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

100203200 is an equidigital number, since it uses as much as digits as its factorization.

100203200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62649 (or 62634 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 100203200 is about 10010.1548439572. The cubic root of 100203200 is about 464.4730609380.

Adding to 100203200 its reverse (2302001), we get a palindrome (102505201).

The spelling of 100203200 in words is "one hundred million, two hundred three thousand, two hundred".