20424222202 has 8 divisors (see below), whose sum is σ = 30695137812. Its totient is φ = 10192509600.

The previous prime is 20424222113. The next prime is 20424222209. The reversal of 20424222202 is 20222242402.

It can be written as a sum of positive squares in 2 ways, for example, as 19664172441 + 760049761 = 140229^2 + 27569^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20424222209) 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 in 3 ways as a sum of consecutive naturals, for example, 9799449 + ... + 9801532.

Almost surely, 2^20424222202 is an apocalyptic number.

20424222202 is a deficient number, since it is larger than the sum of its proper divisors (10270915610).

20424222202 is a wasteful number, since it uses less digits than its factorization.

20424222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19601504.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20424222202 its reverse (20222242402), we get a palindrome (40646464604).

The spelling of 20424222202 in words is "twenty billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred two".