200500420 has 48 divisors (see below), whose sum is σ = 430536960. Its totient is φ = 78414336.

The previous prime is 200500393. The next prime is 200500427. The reversal of 200500420 is 24005002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 200500420.

It is not an unprimeable number, because it can be changed into a prime (200500427) 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, 177979 + ... + 179101.

It is an arithmetic number, because the mean of its divisors is an integer number (8969520).

Almost surely, 2^200500420 is an apocalyptic number.

200500420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200500420 is an abundant number, since it is smaller than the sum of its proper divisors (230036540).

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

200500420 is a wasteful number, since it uses less digits than its factorization.

200500420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 200500420 is about 14159.8170892141. The cubic root of 200500420 is about 585.2908870632.

Adding to 200500420 its reverse (24005002), we get a palindrome (224505422).

The spelling of 200500420 in words is "two hundred million, five hundred thousand, four hundred twenty".