20131320014 has 16 divisors (see below), whose sum is σ = 32534227152. Its totient is φ = 9287263488.

The previous prime is 20131320007. The next prime is 20131320017. The reversal of 20131320014 is 41002313102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20131319974 and 20131320001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131320017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111224 + ... + 229419.

It is an arithmetic number, because the mean of its divisors is an integer number (2033389197).

Almost surely, 2^20131320014 is an apocalyptic number.

20131320014 is a deficient number, since it is larger than the sum of its proper divisors (12402907138).

20131320014 is a wasteful number, since it uses less digits than its factorization.

20131320014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342931.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20131320014 its reverse (41002313102), we get a palindrome (61133633116).

The spelling of 20131320014 in words is "twenty billion, one hundred thirty-one million, three hundred twenty thousand, fourteen".