20146214 has 8 divisors (see below), whose sum is σ = 32966568. Its totient is φ = 9157360.

The previous prime is 20146177. The next prime is 20146219. The reversal of 20146214 is 41264102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457847 + ... + 457890.

It is an arithmetic number, because the mean of its divisors is an integer number (4120821).

Almost surely, 2^20146214 is an apocalyptic number.

20146214 is a deficient number, since it is larger than the sum of its proper divisors (12820354).

20146214 is a wasteful number, since it uses less digits than its factorization.

20146214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915750.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20146214 is about 4488.4534084693. The cubic root of 20146214 is about 272.1016326518.

It can be divided in two parts, 2014 and 6214, that added together give a palindrome (8228).

The spelling of 20146214 in words is "twenty million, one hundred forty-six thousand, two hundred fourteen".