200418420 has 48 divisors (see below), whose sum is σ = 580527360. Its totient is φ = 51601536.

The previous prime is 200418397. The next prime is 200418431. The reversal of 200418420 is 24814002.

200418420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55852 + ... + 59331.

It is an arithmetic number, because the mean of its divisors is an integer number (12094320).

Almost surely, 2^200418420 is an apocalyptic number.

200418420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200418420 is an abundant number, since it is smaller than the sum of its proper divisors (380108940).

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

200418420 is a wasteful number, since it uses less digits than its factorization.

200418420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115224 (or 115222 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 200418420 is about 14156.9212754751. The cubic root of 200418420 is about 585.2110860715.

The spelling of 200418420 in words is "two hundred million, four hundred eighteen thousand, four hundred twenty".