20330031032312 has 32 divisors (see below), whose sum is σ = 38477179804800. Its totient is φ = 10069491729024.

The previous prime is 20330031032299. The next prime is 20330031032317. The reversal of 20330031032312 is 21323013003302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330031032317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256438 + ... + 6499130.

It is an arithmetic number, because the mean of its divisors is an integer number (1202411868900).

Almost surely, 2^{20330031032312} is an apocalyptic number.

It is an amenable number.

20330031032312 is a deficient number, since it is larger than the sum of its proper divisors (18147148772488).

20330031032312 is a wasteful number, since it uses less digits than its factorization.

20330031032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5247255 (or 5247251 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20330031032312 its reverse (21323013003302), we get a palindrome (41653044035614).

The spelling of 20330031032312 in words is "twenty trillion, three hundred thirty billion, thirty-one million, thirty-two thousand, three hundred twelve".