201120052650 has 96 divisors (see below), whose sum is σ = 549508954176. Its totient is φ = 48273600000.

The previous prime is 201120052649. The next prime is 201120052657. The reversal of 201120052650 is 56250021102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201120052650.

It is not an unprimeable number, because it can be changed into a prime (201120052657) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 436771 + ... + 770070.

It is an arithmetic number, because the mean of its divisors is an integer number (5724051606).

Almost surely, 2^201120052650 is an apocalyptic number.

201120052650 is an abundant number, since it is smaller than the sum of its proper divisors (348388901526).

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

201120052650 is a wasteful number, since it uses less digits than its factorization.

201120052650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206968 (or 1206963 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 201120052650 its reverse (56250021102), we get a palindrome (257370073752).

The spelling of 201120052650 in words is "two hundred one billion, one hundred twenty million, fifty-two thousand, six hundred fifty".