201796650 has 192 divisors, whose sum is σ = 617103360. Its totient is φ = 48081600.

The previous prime is 201796649. The next prime is 201796717. The reversal of 201796650 is 56697102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1588887 + ... + 1589013.

It is an arithmetic number, because the mean of its divisors is an integer number (3214080).

Almost surely, 2^201796650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201796650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308551680).

201796650 is an abundant number, since it is smaller than the sum of its proper divisors (415306710).

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

201796650 is a wasteful number, since it uses less digits than its factorization.

201796650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 201796650 is about 14205.5147741995. The cubic root of 201796650 is about 586.5494754869.

The spelling of 201796650 in words is "two hundred one million, seven hundred ninety-six thousand, six hundred fifty".