20310214 has 4 divisors (see below), whose sum is σ = 30465324. Its totient is φ = 10155106.

The previous prime is 20310209. The next prime is 20310217. The reversal of 20310214 is 41201302.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20310194 and 20310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310217) 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 as a sum of consecutive naturals, namely, 5077552 + ... + 5077555.

It is an arithmetic number, because the mean of its divisors is an integer number (7616331).

Almost surely, 2^20310214 is an apocalyptic number.

20310214 is a deficient number, since it is larger than the sum of its proper divisors (10155110).

20310214 is a wasteful number, since it uses less digits than its factorization.

20310214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10155109.

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

The square root of 20310214 is about 4506.6854782645. The cubic root of 20310214 is about 272.8379847951.

Adding to 20310214 its reverse (41201302), we get a palindrome (61511516).

The spelling of 20310214 in words is "twenty million, three hundred ten thousand, two hundred fourteen".