331443020220 has 96 divisors (see below), whose sum is σ = 999675969600. Its totient is φ = 81565747200.

The previous prime is 331443020213. The next prime is 331443020257. The reversal of 331443020220 is 22020344133.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3226206 + ... + 3327354.

It is an arithmetic number, because the mean of its divisors is an integer number (10413291350).

Almost surely, 2^331443020220 is an apocalyptic number.

331443020220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331443020220 is an abundant number, since it is smaller than the sum of its proper divisors (668232949380).

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

331443020220 is a wasteful number, since it uses less digits than its factorization.

331443020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105375 (or 105373 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 331443020220 its reverse (22020344133), we get a palindrome (353463364353).

The spelling of 331443020220 in words is "three hundred thirty-one billion, four hundred forty-three million, twenty thousand, two hundred twenty".