200424120 has 64 divisors (see below), whose sum is σ = 647529120. Its totient is φ = 49334784.

The previous prime is 200424109. The next prime is 200424127. The reversal of 200424120 is 21424002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200424120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200424127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62679 + ... + 65798.

Almost surely, 2^200424120 is an apocalyptic number.

200424120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200424120 is an abundant number, since it is smaller than the sum of its proper divisors (447105000).

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

200424120 is a wasteful number, since it uses less digits than its factorization.

200424120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128504 (or 128500 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 200424120 is about 14157.1225890009. The cubic root of 200424120 is about 585.2166339175.

Adding to 200424120 its reverse (21424002), we get a palindrome (221848122).

The spelling of 200424120 in words is "two hundred million, four hundred twenty-four thousand, one hundred twenty".