20344320244 has 6 divisors (see below), whose sum is σ = 35602560434. Its totient is φ = 10172160120.

The previous prime is 20344320211. The next prime is 20344320277. The reversal of 20344320244 is 44202344302.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20344320211) and next prime (20344320277).

It can be written as a sum of positive squares in only one way, i.e., 12141395344 + 8202924900 = 110188^2 + 90570^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2543040027 + ... + 2543040034.

Almost surely, 2^20344320244 is an apocalyptic number.

It is an amenable number.

20344320244 is a deficient number, since it is larger than the sum of its proper divisors (15258240190).

20344320244 is a wasteful number, since it uses less digits than its factorization.

20344320244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086080065 (or 5086080063 counting only the distinct ones).

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

Adding to 20344320244 its reverse (44202344302), we get a palindrome (64546664546).

The spelling of 20344320244 in words is "twenty billion, three hundred forty-four million, three hundred twenty thousand, two hundred forty-four".