20424221014 has 4 divisors (see below), whose sum is σ = 30636331524. Its totient is φ = 10212110506.

The previous prime is 20424221011. The next prime is 20424221023. The reversal of 20424221014 is 41012242402.

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 not an unprimeable number, because it can be changed into a prime (20424221011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106055252 + ... + 5106055255.

It is an arithmetic number, because the mean of its divisors is an integer number (7659082881).

Almost surely, 2^20424221014 is an apocalyptic number.

20424221014 is a deficient number, since it is larger than the sum of its proper divisors (10212110510).

20424221014 is a wasteful number, since it uses less digits than its factorization.

20424221014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10212110509.

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

Adding to 20424221014 its reverse (41012242402), we get a palindrome (61436463416).

The spelling of 20424221014 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-one thousand, fourteen".