200720606 has 8 divisors (see below), whose sum is σ = 301182024. Its totient is φ = 100326600.

The previous prime is 200720573. The next prime is 200720623. The reversal of 200720606 is 606027002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8600 + ... + 21803.

It is an arithmetic number, because the mean of its divisors is an integer number (37647753).

Almost surely, 2^200720606 is an apocalyptic number.

200720606 is a deficient number, since it is larger than the sum of its proper divisors (100461418).

200720606 is a wasteful number, since it uses less digits than its factorization.

200720606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33706.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 200720606 is about 14167.5899855974. The cubic root of 200720606 is about 585.5050607005.

Adding to 200720606 its reverse (606027002), we get a palindrome (806747608).

The spelling of 200720606 in words is "two hundred million, seven hundred twenty thousand, six hundred six".