20130300123320 has 32 divisors (see below), whose sum is σ = 45294870319200. Its totient is φ = 8051818708608.

The previous prime is 20130300123319. The next prime is 20130300123343. The reversal of 20130300123320 is 2332100303102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20130300123292 and 20130300123301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8333159 + ... + 10473878.

It is an arithmetic number, because the mean of its divisors is an integer number (1415464697475).

Almost surely, 2^{20130300123320} is an apocalyptic number.

20130300123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130300123320 is an abundant number, since it is smaller than the sum of its proper divisors (25164570195880).

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

20130300123320 is a wasteful number, since it uses less digits than its factorization.

20130300123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833807 (or 18833803 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20130300123320 its reverse (2332100303102), we get a palindrome (22462400426422).

The spelling of 20130300123320 in words is "twenty trillion, one hundred thirty billion, three hundred million, one hundred twenty-three thousand, three hundred twenty".