200609220 has 192 divisors, whose sum is σ = 705761280. Its totient is φ = 41513472.

The previous prime is 200609219. The next prime is 200609249. The reversal of 200609220 is 22906002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182994 + ... + 184086.

It is an arithmetic number, because the mean of its divisors is an integer number (3675840).

Almost surely, 2^200609220 is an apocalyptic number.

200609220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200609220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352880640).

200609220 is an abundant number, since it is smaller than the sum of its proper divisors (505152060).

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

200609220 is a wasteful number, since it uses less digits than its factorization.

200609220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 200609220 is about 14163.6584257034. The cubic root of 200609220 is about 585.3967357750.

The spelling of 200609220 in words is "two hundred million, six hundred nine thousand, two hundred twenty".