20131014 has 16 divisors (see below), whose sum is σ = 40306752. Its totient is φ = 6702888.

The previous prime is 20130983. The next prime is 20131019. The reversal of 20131014 is 41013102.

It is a happy number.

20131014 is nontrivially palindromic in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131019) 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, 8037 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (2519172).

Almost surely, 2^20131014 is an apocalyptic number.

20131014 is an abundant number, since it is smaller than the sum of its proper divisors (20175738).

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

20131014 is a wasteful number, since it uses less digits than its factorization.

20131014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3731.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20131014 is about 4486.7598553968. The cubic root of 20131014 is about 272.0331833074.

Adding to 20131014 its reverse (41013102), we get a palindrome (61144116).

The spelling of 20131014 in words is "twenty million, one hundred thirty-one thousand, fourteen".