201320221332 has 24 divisors (see below), whose sum is σ = 470307096000. Its totient is φ = 67026752896.

The previous prime is 201320221321. The next prime is 201320221339. The reversal of 201320221332 is 233122023102.

It is a happy number.

201320221332 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201320221299 and 201320221308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201320221339) 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 7 ways as a sum of consecutive naturals, for example, 9987957 + ... + 10008092.

It is an arithmetic number, because the mean of its divisors is an integer number (19596129000).

Almost surely, 2^201320221332 is an apocalyptic number.

It is an amenable number.

201320221332 is an abundant number, since it is smaller than the sum of its proper divisors (268986874668).

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

201320221332 is a wasteful number, since it uses less digits than its factorization.

201320221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996895 (or 19996893 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201320221332 its reverse (233122023102), we get a palindrome (434442244434).

The spelling of 201320221332 in words is "two hundred one billion, three hundred twenty million, two hundred twenty-one thousand, three hundred thirty-two".