1020321332 has 12 divisors (see below), whose sum is σ = 1786764000. Its totient is φ = 509817336.

The previous prime is 1020321311. The next prime is 1020321349. The reversal of 1020321332 is 2331230201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020321332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79088 + ... + 91079.

It is an arithmetic number, because the mean of its divisors is an integer number (148897000).

Almost surely, 2^1020321332 is an apocalyptic number.

It is an amenable number.

1020321332 is a deficient number, since it is larger than the sum of its proper divisors (766442668).

1020321332 is a wasteful number, since it uses less digits than its factorization.

1020321332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171670 (or 171668 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020321332 is about 31942.4690967996. The cubic root of 1020321332 is about 1006.7284043731.

Adding to 1020321332 its reverse (2331230201), we get a palindrome (3351551533).

The spelling of 1020321332 in words is "one billion, twenty million, three hundred twenty-one thousand, three hundred thirty-two".