20131514 has 8 divisors (see below), whose sum is σ = 32520180. Its totient is φ = 9291456.

The previous prime is 20131513. The next prime is 20131523. The reversal of 20131514 is 41513102.

It can be written as a sum of positive squares in 2 ways, for example, as 20097289 + 34225 = 4483^2 + 185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20131492 and 20131501.

It is not an unprimeable number, because it can be changed into a prime (20131513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387119 + ... + 387170.

Almost surely, 2^20131514 is an apocalyptic number.

20131514 is a deficient number, since it is larger than the sum of its proper divisors (12388666).

20131514 is a wasteful number, since it uses less digits than its factorization.

20131514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774304.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 20131514 is about 4486.8155745473. The cubic root of 20131514 is about 272.0354354785.

Adding to 20131514 its reverse (41513102), we get a palindrome (61644616).

The spelling of 20131514 in words is "twenty million, one hundred thirty-one thousand, five hundred fourteen".