331000233230020 has 24 divisors (see below), whose sum is σ = 713886989508504. Its totient is φ = 128821712391936.

The previous prime is 331000233229943. The next prime is 331000233230033. The reversal of 331000233230020 is 20032332000133.

It can be written as a sum of positive squares in 4 ways, for example, as 201157262072064 + 129842971157956 = 14182992^2 + 11394866^2 .

It is a super-2 number, since 2×331000233230020² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331000233229973 and 331000233230000.

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, 223648805497 + ... + 223648806976.

It is an arithmetic number, because the mean of its divisors is an integer number (29745291229521).

Almost surely, 2^{331000233230020} is an apocalyptic number.

It is an amenable number.

331000233230020 is an abundant number, since it is smaller than the sum of its proper divisors (382886756278484).

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

331000233230020 is a wasteful number, since it uses less digits than its factorization.

331000233230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447297612519 (or 447297612517 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 331000233230020 its reverse (20032332000133), we get a palindrome (351032565230153).

The spelling of 331000233230020 in words is "three hundred thirty-one trillion, two hundred thirty-three million, two hundred thirty thousand, twenty".