20123010130320 has 120 divisors (see below), whose sum is σ = 67591483689600. Its totient is φ = 5365206367488.

The previous prime is 20123010130259. The next prime is 20123010130343. The reversal of 20123010130320 is 2303101032102.

20123010130320 is a `hidden beast` number, since 2 + 0 + 12 + 301 + 0 + 1 + 30 + 320 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×20123010130320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20123010130293 and 20123010130302.

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 23 ways as a sum of consecutive naturals, for example, 1742761 + ... + 6578999.

It is an arithmetic number, because the mean of its divisors is an integer number (563262364080).

Almost surely, 2^{20123010130320} is an apocalyptic number.

20123010130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20123010130320 is an abundant number, since it is smaller than the sum of its proper divisors (47468473559280).

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

20123010130320 is a wasteful number, since it uses less digits than its factorization.

20123010130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4842037 (or 4842028 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20123010130320 its reverse (2303101032102), we get a palindrome (22426111162422).

The spelling of 20123010130320 in words is "twenty trillion, one hundred twenty-three billion, ten million, one hundred thirty thousand, three hundred twenty".