20424302302 has 4 divisors (see below), whose sum is σ = 30636453456. Its totient is φ = 10212151150.

The previous prime is 20424302257. The next prime is 20424302303. The reversal of 20424302302 is 20320342402.

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 (20424302303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106075574 + ... + 5106075577.

It is an arithmetic number, because the mean of its divisors is an integer number (7659113364).

Almost surely, 2^20424302302 is an apocalyptic number.

20424302302 is a deficient number, since it is larger than the sum of its proper divisors (10212151154).

20424302302 is a wasteful number, since it uses less digits than its factorization.

20424302302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212151153.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20424302302 its reverse (20320342402), we get a palindrome (40744644704).

The spelling of 20424302302 in words is "twenty billion, four hundred twenty-four million, three hundred two thousand, three hundred two".