331232023003220 has 24 divisors (see below), whose sum is σ = 695588130402144. Its totient is φ = 132492641183136.

The previous prime is 331232023003213. The next prime is 331232023003279. The reversal of 331232023003220 is 22300320232133.

It is a self number, because there is not a number n which added to its sum of digits gives 331232023003220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6321719 + ... + 26503361.

It is an arithmetic number, because the mean of its divisors is an integer number (28982838766756).

Almost surely, 2^{331232023003220} is an apocalyptic number.

It is an amenable number.

331232023003220 is an abundant number, since it is smaller than the sum of its proper divisors (364356107398924).

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

331232023003220 is a wasteful number, since it uses less digits than its factorization.

331232023003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002279 (or 21002277 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 331232023003220 its reverse (22300320232133), we get a palindrome (353532343235353).

The spelling of 331232023003220 in words is "three hundred thirty-one trillion, two hundred thirty-two billion, twenty-three million, three thousand, two hundred twenty".