20320322102320 has 40 divisors (see below), whose sum is σ = 47262253928400. Its totient is φ = 8125117221120.

The previous prime is 20320322102317. The next prime is 20320322102371. The reversal of 20320322102320 is 2320122302302.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 20320322102291 and 20320322102300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46839291 + ... + 47271130.

It is an arithmetic number, because the mean of its divisors is an integer number (1181556348210).

Almost surely, 2^{20320322102320} is an apocalyptic number.

20320322102320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20320322102320 is an abundant number, since it is smaller than the sum of its proper divisors (26941931826080).

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

20320322102320 is a wasteful number, since it uses less digits than its factorization.

20320322102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94113133 (or 94113127 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20320322102320 its reverse (2320122302302), we get a palindrome (22640444404622).

The spelling of 20320322102320 in words is "twenty trillion, three hundred twenty billion, three hundred twenty-two million, one hundred two thousand, three hundred twenty".