20031214 has 8 divisors (see below), whose sum is σ = 34339248. Its totient is φ = 8584800.

The previous prime is 20031173. The next prime is 20031217. The reversal of 20031214 is 41213002.

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 = 20031194 and 20031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031217) 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, 715387 + ... + 715414.

It is an arithmetic number, because the mean of its divisors is an integer number (4292406).

Almost surely, 2^20031214 is an apocalyptic number.

20031214 is a deficient number, since it is larger than the sum of its proper divisors (14308034).

20031214 is a wasteful number, since it uses less digits than its factorization.

20031214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430810.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20031214 is about 4475.6244257087. The cubic root of 20031214 is about 271.5829013119.

Adding to 20031214 its reverse (41213002), we get a palindrome (61244216).

The spelling of 20031214 in words is "twenty million, thirty-one thousand, two hundred fourteen".