332321031220 has 12 divisors (see below), whose sum is σ = 697874165604. Its totient is φ = 132928412480.

The previous prime is 332321031157. The next prime is 332321031227. The reversal of 332321031220 is 22130123233.

It can be written as a sum of positive squares in 2 ways, for example, as 49154437264 + 283166593956 = 221708^2 + 532134^2 .

It is a super-2 number, since 2×332321031220² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 332321031191 and 332321031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332321031227) 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, 8308025761 + ... + 8308025800.

It is an arithmetic number, because the mean of its divisors is an integer number (58156180467).

Almost surely, 2^332321031220 is an apocalyptic number.

It is an amenable number.

332321031220 is an abundant number, since it is smaller than the sum of its proper divisors (365553134384).

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

332321031220 is a wasteful number, since it uses less digits than its factorization.

332321031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16616051570 (or 16616051568 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 332321031220 its reverse (22130123233), we get a palindrome (354451154453).

The spelling of 332321031220 in words is "three hundred thirty-two billion, three hundred twenty-one million, thirty-one thousand, two hundred twenty".