200686420 has 24 divisors (see below), whose sum is σ = 459754848. Its totient is φ = 72976800.

The previous prime is 200686403. The next prime is 200686427. The reversal of 200686420 is 24686002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200686427) 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 7 ways as a sum of consecutive naturals, for example, 455886 + ... + 456325.

It is an arithmetic number, because the mean of its divisors is an integer number (19156452).

Almost surely, 2^200686420 is an apocalyptic number.

200686420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200686420 is an abundant number, since it is smaller than the sum of its proper divisors (259068428).

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

200686420 is a wasteful number, since it uses less digits than its factorization.

200686420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912231 (or 912229 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 200686420 is about 14166.3834481494. The cubic root of 200686420 is about 585.4718184525.

The spelling of 200686420 in words is "two hundred million, six hundred eighty-six thousand, four hundred twenty".