20300000020320 has 48 divisors (see below), whose sum is σ = 63945000065520. Its totient is φ = 5413333338624.

The previous prime is 20300000020297. The next prime is 20300000020379. The reversal of 20300000020320 is 2302000000302.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20300000020296 and 20300000020305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21145832875 + ... + 21145833834.

It is an arithmetic number, because the mean of its divisors is an integer number (1332187501365).

Almost surely, 2^{20300000020320} is an apocalyptic number.

20300000020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300000020320 is an abundant number, since it is smaller than the sum of its proper divisors (43645000045200).

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

20300000020320 is a wasteful number, since it uses less digits than its factorization.

20300000020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42291666727 (or 42291666719 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 20300000020320 its reverse (2302000000302), we get a palindrome (22602000020622).

The spelling of 20300000020320 in words is "twenty trillion, three hundred billion, twenty thousand, three hundred twenty".