32201121320 has 128 divisors (see below), whose sum is σ = 74462976000. Its totient is φ = 12529440000.

The previous prime is 32201121289. The next prime is 32201121347. The reversal of 32201121320 is 2312110223.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128291195 + ... + 128291445.

It is an arithmetic number, because the mean of its divisors is an integer number (581742000).

Almost surely, 2^32201121320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32201121320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37231488000).

32201121320 is an abundant number, since it is smaller than the sum of its proper divisors (42261854680).

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

32201121320 is a wasteful number, since it uses less digits than its factorization.

32201121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32201121320 its reverse (2312110223), we get a palindrome (34513231543).

The spelling of 32201121320 in words is "thirty-two billion, two hundred one million, one hundred twenty-one thousand, three hundred twenty".