20321011012304 has 20 divisors (see below), whose sum is σ = 40209660089664. Its totient is φ = 9944324537568.

The previous prime is 20321011012297. The next prime is 20321011012333. The reversal of 20321011012304 is 40321011012302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13511309762 + ... + 13511311265.

Almost surely, 2^{20321011012304} is an apocalyptic number.

It is an amenable number.

20321011012304 is a deficient number, since it is larger than the sum of its proper divisors (19888649077360).

20321011012304 is a wasteful number, since it uses less digits than its factorization.

20321011012304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27022621082 (or 27022621076 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 20321011012304 its reverse (40321011012302), we get a palindrome (60642022024606).

The spelling of 20321011012304 in words is "twenty trillion, three hundred twenty-one billion, eleven million, twelve thousand, three hundred four".