100420200 has 144 divisors (see below), whose sum is σ = 344710080. Its totient is φ = 26186880.

The previous prime is 100420181. The next prime is 100420217. The reversal of 100420200 is 2024001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84007 + ... + 85193.

It is an arithmetic number, because the mean of its divisors is an integer number (2393820).

Almost surely, 2^100420200 is an apocalyptic number.

100420200 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 100420200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172355040).

100420200 is an abundant number, since it is smaller than the sum of its proper divisors (244289880).

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

100420200 is a wasteful number, since it uses less digits than its factorization.

100420200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 100420200 is about 10020.9879752448. The cubic root of 100420200 is about 464.8081067390.

Adding to 100420200 its reverse (2024001), we get a palindrome (102444201).

The spelling of 100420200 in words is "one hundred million, four hundred twenty thousand, two hundred".