20142214 has 4 divisors (see below), whose sum is σ = 30213324. Its totient is φ = 10071106.

The previous prime is 20142209. The next prime is 20142247. The reversal of 20142214 is 41224102.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5035552 + ... + 5035555.

It is an arithmetic number, because the mean of its divisors is an integer number (7553331).

Almost surely, 2^20142214 is an apocalyptic number.

20142214 is a deficient number, since it is larger than the sum of its proper divisors (10071110).

20142214 is a wasteful number, since it uses less digits than its factorization.

20142214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071109.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20142214 is about 4488.0077985672. The cubic root of 20142214 is about 272.0836230054.

Adding to 20142214 its reverse (41224102), we get a palindrome (61366316).

The spelling of 20142214 in words is "twenty million, one hundred forty-two thousand, two hundred fourteen".