20214712 has 16 divisors (see below), whose sum is σ = 43317360. Its totient is φ = 8663424.

The previous prime is 20214709. The next prime is 20214713. The reversal of 20214712 is 21741202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20214712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214713) 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, 180433 + ... + 180544.

It is an arithmetic number, because the mean of its divisors is an integer number (2707335).

Almost surely, 2^20214712 is an apocalyptic number.

It is an amenable number.

20214712 is an abundant number, since it is smaller than the sum of its proper divisors (23102648).

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

20214712 is a wasteful number, since it uses less digits than its factorization.

20214712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360990 (or 360986 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 20214712 is about 4496.0774014690. The cubic root of 20214712 is about 272.4096695801.

Adding to 20214712 its reverse (21741202), we get a palindrome (41955914).

The spelling of 20214712 in words is "twenty million, two hundred fourteen thousand, seven hundred twelve".