200420544 has 28 divisors (see below), whose sum is σ = 530279864. Its totient is φ = 66806784.

The previous prime is 200420533. The next prime is 200420557. The reversal of 200420544 is 445024002.

200420544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 200420544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521737 + ... + 522120.

Almost surely, 2^200420544 is an apocalyptic number.

200420544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

200420544 is an abundant number, since it is smaller than the sum of its proper divisors (329859320).

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

200420544 is a wasteful number, since it uses less digits than its factorization.

200420544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043872 (or 1043862 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 200420544 is about 14156.9962915867. The cubic root of 200420544 is about 585.2131533864.

Adding to 200420544 its reverse (445024002), we get a palindrome (645444546).

The spelling of 200420544 in words is "two hundred million, four hundred twenty thousand, five hundred forty-four".