200005420 has 12 divisors (see below), whose sum is σ = 420011424. Its totient is φ = 80002160.

The previous prime is 200005417. The next prime is 200005511. The reversal of 200005420 is 24500002.

It is a happy number.

200005420 is a modest number, since divided by 5420 gives 2000 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 200005420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000116 + ... + 5000155.

It is an arithmetic number, because the mean of its divisors is an integer number (35000952).

Almost surely, 2^200005420 is an apocalyptic number.

200005420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200005420 is an abundant number, since it is smaller than the sum of its proper divisors (220006004).

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

200005420 is a wasteful number, since it uses less digits than its factorization.

200005420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000280 (or 10000278 counting only the distinct ones).

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

The square root of 200005420 is about 14142.3272483704. The cubic root of 200005420 is about 584.8088303202.

Adding to 200005420 its reverse (24500002), we get a palindrome (224505422).

The spelling of 200005420 in words is "two hundred million, five thousand, four hundred twenty".