331230020 has 24 divisors (see below), whose sum is σ = 758818368. Its totient is φ = 120447200.

The previous prime is 331229959. The next prime is 331230037. The reversal of 331230020 is 20032133.

331230020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×331230020² = 219426652298400800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331229977 and 331230004.

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, 752576 + ... + 753015.

It is an arithmetic number, because the mean of its divisors is an integer number (31617432).

Almost surely, 2^331230020 is an apocalyptic number.

It is an amenable number.

331230020 is an abundant number, since it is smaller than the sum of its proper divisors (427588348).

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

331230020 is a wasteful number, since it uses less digits than its factorization.

331230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505611 (or 1505609 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 331230020 is about 18199.7258221106. The cubic root of 331230020 is about 691.8998401596.

Adding to 331230020 its reverse (20032133), we get a palindrome (351262153).

The spelling of 331230020 in words is "three hundred thirty-one million, two hundred thirty thousand, twenty".