20424012214 has 4 divisors (see below), whose sum is σ = 30636018324. Its totient is φ = 10212006106.

The previous prime is 20424012181. The next prime is 20424012227. The reversal of 20424012214 is 41221042402.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106003052 + ... + 5106003055.

It is an arithmetic number, because the mean of its divisors is an integer number (7659004581).

Almost surely, 2^20424012214 is an apocalyptic number.

20424012214 is a deficient number, since it is larger than the sum of its proper divisors (10212006110).

20424012214 is a wasteful number, since it uses less digits than its factorization.

20424012214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212006109.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 20424012214 its reverse (41221042402), we get a palindrome (61645054616).

The spelling of 20424012214 in words is "twenty billion, four hundred twenty-four million, twelve thousand, two hundred fourteen".