331733020 has 12 divisors (see below), whose sum is σ = 696639384. Its totient is φ = 132693200.

The previous prime is 331732981. The next prime is 331733021. The reversal of 331733020 is 20337133.

It is a super-2 number, since 2×331733020² = 220093593116640800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331732982 and 331733000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331733021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8293306 + ... + 8293345.

It is an arithmetic number, because the mean of its divisors is an integer number (58053282).

Almost surely, 2^331733020 is an apocalyptic number.

It is an amenable number.

331733020 is an abundant number, since it is smaller than the sum of its proper divisors (364906364).

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

331733020 is a wasteful number, since it uses less digits than its factorization.

331733020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16586660 (or 16586658 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 331733020 is about 18213.5394693069. The cubic root of 331733020 is about 692.2498986070.

The spelling of 331733020 in words is "three hundred thirty-one million, seven hundred thirty-three thousand, twenty".