331032020 has 24 divisors (see below), whose sum is σ = 758364768. Its totient is φ = 120375200.

The previous prime is 331032001. The next prime is 331032061. The reversal of 331032020 is 20230133.

331032020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 331031986 and 331032004.

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, 752126 + ... + 752565.

It is an arithmetic number, because the mean of its divisors is an integer number (31598532).

Almost surely, 2^331032020 is an apocalyptic number.

It is an amenable number.

331032020 is an abundant number, since it is smaller than the sum of its proper divisors (427332748).

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

331032020 is a wasteful number, since it uses less digits than its factorization.

331032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504711 (or 1504709 counting only the distinct ones).

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

The square root of 331032020 is about 18194.2853665650. The cubic root of 331032020 is about 691.7619465845.

Adding to 331032020 its reverse (20230133), we get a palindrome (351262153).

The spelling of 331032020 in words is "three hundred thirty-one million, thirty-two thousand, twenty".