200420244 has 30 divisors (see below), whose sum is σ = 523938954. Its totient is φ = 66806640.

The previous prime is 200420221. The next prime is 200420251. The reversal of 200420244 is 442024002.

200420244 is a `hidden beast` number, since 2 + 0 + 0 + 420 + 244 = 666.

It can be written as a sum of positive squares in only one way, i.e., 194602500 + 5817744 = 13950^2 + 2412^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 308967 + ... + 309614.

Almost surely, 2^200420244 is an apocalyptic number.

It is an amenable number.

200420244 is an abundant number, since it is smaller than the sum of its proper divisors (323518710).

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

200420244 is a wasteful number, since it uses less digits than its factorization.

200420244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618597 (or 618586 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 200420244 is about 14156.9856961148. The cubic root of 200420244 is about 585.2128613937.

Adding to 200420244 its reverse (442024002), we get a palindrome (642444246).

The spelling of 200420244 in words is "two hundred million, four hundred twenty thousand, two hundred forty-four".