2001220330232 has 64 divisors (see below), whose sum is σ = 3878979840000. Its totient is φ = 967502398720.

The previous prime is 2001220330223. The next prime is 2001220330289. The reversal of 2001220330232 is 2320330221002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7898819 + ... + 8148237.

It is an arithmetic number, because the mean of its divisors is an integer number (60609060000).

Almost surely, 2^{2001220330232} is an apocalyptic number.

It is an amenable number.

2001220330232 is a deficient number, since it is larger than the sum of its proper divisors (1877759509768).

2001220330232 is a wasteful number, since it uses less digits than its factorization.

2001220330232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249764 (or 249760 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2001220330232 its reverse (2320330221002), we get a palindrome (4321550551234).

The spelling of 2001220330232 in words is "two trillion, one billion, two hundred twenty million, three hundred thirty thousand, two hundred thirty-two".