20000321032312 has 8 divisors (see below), whose sum is σ = 37500601935600. Its totient is φ = 10000160516152.

The previous prime is 20000321032309. The next prime is 20000321032369. The reversal of 20000321032312 is 21323012300002.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20000321032312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250020064512 + ... + 1250020064527.

It is an arithmetic number, because the mean of its divisors is an integer number (4687575241950).

Almost surely, 2^{20000321032312} is an apocalyptic number.

It is an amenable number.

20000321032312 is a deficient number, since it is larger than the sum of its proper divisors (17500280903288).

20000321032312 is a wasteful number, since it uses less digits than its factorization.

20000321032312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500040129045 (or 2500040129041 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20000321032312 its reverse (21323012300002), we get a palindrome (41323333332314).

The spelling of 20000321032312 in words is "twenty trillion, three hundred twenty-one million, thirty-two thousand, three hundred twelve".