200421052 has 12 divisors (see below), whose sum is σ = 377716696. Its totient is φ = 92502000.

The previous prime is 200421047. The next prime is 200421071. The reversal of 200421052 is 250124002.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1927074 + ... + 1927177.

Almost surely, 2^200421052 is an apocalyptic number.

It is an amenable number.

200421052 is a deficient number, since it is larger than the sum of its proper divisors (177295644).

200421052 is a wasteful number, since it uses less digits than its factorization.

200421052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854268 (or 3854266 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 200421052 is about 14157.0142332344. The cubic root of 200421052 is about 585.2136478268.

Adding to 200421052 its reverse (250124002), we get a palindrome (450545054).

The spelling of 200421052 in words is "two hundred million, four hundred twenty-one thousand, fifty-two".