20443324402 has 8 divisors (see below), whose sum is σ = 30888819036. Its totient is φ = 10147051392.

The previous prime is 20443324373. The next prime is 20443324423. The reversal of 20443324402 is 20442334402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20303115121 + 140209281 = 142489^2 + 11841^2 .

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

It is an unprimeable number.

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, 37305063 + ... + 37305610.

Almost surely, 2^20443324402 is an apocalyptic number.

20443324402 is a deficient number, since it is larger than the sum of its proper divisors (10445494634).

20443324402 is a wasteful number, since it uses less digits than its factorization.

20443324402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74610812.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20443324402 its reverse (20442334402), we get a palindrome (40885658804).

The spelling of 20443324402 in words is "twenty billion, four hundred forty-three million, three hundred twenty-four thousand, four hundred two".