200342420 has 96 divisors (see below), whose sum is σ = 459648000. Its totient is φ = 73142784.

The previous prime is 200342419. The next prime is 200342423. The reversal of 200342420 is 24243002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200342423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1344506 + ... + 1344654.

It is an arithmetic number, because the mean of its divisors is an integer number (4788000).

Almost surely, 2^200342420 is an apocalyptic number.

200342420 is a gapful number since it is divisible by the number (20) 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 200342420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229824000).

200342420 is an abundant number, since it is smaller than the sum of its proper divisors (259305580).

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

200342420 is a wasteful number, since it uses less digits than its factorization.

200342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 200342420 is about 14154.2368215316. The cubic root of 200342420 is about 585.1371047385.

Adding to 200342420 its reverse (24243002), we get a palindrome (224585422).

The spelling of 200342420 in words is "two hundred million, three hundred forty-two thousand, four hundred twenty".