2001032331020 has 96 divisors (see below), whose sum is σ = 4281594979200. Its totient is φ = 785458612224.

The previous prime is 2001032331019. The next prime is 2001032331047. The reversal of 2001032331020 is 201332301002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001032331020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107118041 + ... + 107136719.

It is an arithmetic number, because the mean of its divisors is an integer number (44599947700).

Almost surely, 2^{2001032331020} is an apocalyptic number.

2001032331020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001032331020 is an abundant number, since it is smaller than the sum of its proper divisors (2280562648180).

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

2001032331020 is a wasteful number, since it uses less digits than its factorization.

2001032331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19267 (or 19265 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2001032331020 its reverse (201332301002), we get a palindrome (2202364632022).

The spelling of 2001032331020 in words is "two trillion, one billion, thirty-two million, three hundred thirty-one thousand, twenty".