20434214 has 8 divisors (see below), whose sum is σ = 30967608. Its totient is φ = 10111680.

The previous prime is 20434181. The next prime is 20434223. The reversal of 20434214 is 41243402.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52472 + ... + 52859.

It is an arithmetic number, because the mean of its divisors is an integer number (3870951).

Almost surely, 2^20434214 is an apocalyptic number.

20434214 is a deficient number, since it is larger than the sum of its proper divisors (10533394).

20434214 is a wasteful number, since it uses less digits than its factorization.

20434214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105430.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 20434214 is about 4520.4218829662. The cubic root of 20434214 is about 273.3921114257.

Adding to 20434214 its reverse (41243402), we get a palindrome (61677616).

The spelling of 20434214 in words is "twenty million, four hundred thirty-four thousand, two hundred fourteen".