20131023301320 has 32 divisors (see below), whose sum is σ = 60393069904320. Its totient is φ = 5368272880320.

The previous prime is 20131023301313. The next prime is 20131023301351. The reversal of 20131023301320 is 2310332013102.

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, 83879263636 + ... + 83879263875.

It is an arithmetic number, because the mean of its divisors is an integer number (1887283434510).

Almost surely, 2^{20131023301320} is an apocalyptic number.

20131023301320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20131023301320 is an abundant number, since it is smaller than the sum of its proper divisors (40262046603000).

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

20131023301320 is a wasteful number, since it uses less digits than its factorization.

20131023301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167758527525 (or 167758527521 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20131023301320 its reverse (2310332013102), we get a palindrome (22441355314422).

The spelling of 20131023301320 in words is "twenty trillion, one hundred thirty-one billion, twenty-three million, three hundred one thousand, three hundred twenty".