331244020 has 12 divisors (see below), whose sum is σ = 695612484. Its totient is φ = 132497600.

The previous prime is 331244009. The next prime is 331244033. The reversal of 331244020 is 20442133.

331244020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 208167184 + 123076836 = 14428^2 + 11094^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8281081 + ... + 8281120.

It is an arithmetic number, because the mean of its divisors is an integer number (57967707).

Almost surely, 2^331244020 is an apocalyptic number.

It is an amenable number.

331244020 is an abundant number, since it is smaller than the sum of its proper divisors (364368464).

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

331244020 is a wasteful number, since it uses less digits than its factorization.

331244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562210 (or 16562208 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 331244020 is about 18200.1104392254. The cubic root of 331244020 is about 691.9095881300.

Adding to 331244020 its reverse (20442133), we get a palindrome (351686153).

The spelling of 331244020 in words is "three hundred thirty-one million, two hundred forty-four thousand, twenty".