201124133320 has 48 divisors (see below), whose sum is σ = 497408250780. Its totient is φ = 73136046720.

The previous prime is 201124133299. The next prime is 201124133323. The reversal of 201124133320 is 23331421102.

It can be written as a sum of positive squares in 2 ways, for example, as 163702778404 + 37421354916 = 404602^2 + 193446^2 .

It is a super-2 number, since 2×201124133320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 201124133291 and 201124133300.

It is not an unprimeable number, because it can be changed into a prime (201124133323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20772447 + ... + 20782126.

Almost surely, 2^201124133320 is an apocalyptic number.

201124133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201124133320 is an abundant number, since it is smaller than the sum of its proper divisors (296284117460).

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

201124133320 is a wasteful number, since it uses less digits than its factorization.

201124133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41554606 (or 41554591 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 201124133320 its reverse (23331421102), we get a palindrome (224455554422).

The spelling of 201124133320 in words is "two hundred one billion, one hundred twenty-four million, one hundred thirty-three thousand, three hundred twenty".