20131214 has 8 divisors (see below), whose sum is σ = 31171008. Its totient is φ = 9740880.

The previous prime is 20131211. The next prime is 20131217. The reversal of 20131214 is 41213102.

It is an interprime number because it is at equal distance from previous prime (20131211) and next prime (20131217).

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

It is a super-2 number, since 2×20131214² = 810531554227592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162287 + ... + 162410.

It is an arithmetic number, because the mean of its divisors is an integer number (3896376).

Almost surely, 2^20131214 is an apocalyptic number.

20131214 is a deficient number, since it is larger than the sum of its proper divisors (11039794).

20131214 is a wasteful number, since it uses less digits than its factorization.

20131214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324730.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20131214 is about 4486.7821431400. The cubic root of 20131214 is about 272.0340841803.

Adding to 20131214 its reverse (41213102), we get a palindrome (61344316).

It can be divided in two parts, 20131 and 214, that multiplied together give a palindrome (4308034).

The spelling of 20131214 in words is "twenty million, one hundred thirty-one thousand, two hundred fourteen".