201120644624 has 20 divisors (see below), whose sum is σ = 389682509244. Its totient is φ = 100557416448.

The previous prime is 201120644623. The next prime is 201120644629. The reversal of 201120644624 is 426446021102.

It can be written as a sum of positive squares in 2 ways, for example, as 71592634624 + 129528010000 = 267568^2 + 359900^2 .

It is not an unprimeable number, because it can be changed into a prime (201120644623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457544 + ... + 782040.

Almost surely, 2^201120644624 is an apocalyptic number.

It is an amenable number.

201120644624 is a deficient number, since it is larger than the sum of its proper divisors (188561864620).

201120644624 is a wasteful number, since it uses less digits than its factorization.

201120644624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363242 (or 363236 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 201120644624 its reverse (426446021102), we get a palindrome (627566665726).

The spelling of 201120644624 in words is "two hundred one billion, one hundred twenty million, six hundred forty-four thousand, six hundred twenty-four".