20343443044 has 24 divisors (see below), whose sum is σ = 37523538360. Its totient is φ = 9635668224.

The previous prime is 20343443033. The next prime is 20343443101. The reversal of 20343443044 is 44034434302.

It can be written as a sum of positive squares in 4 ways, for example, as 2242969600 + 18100473444 = 47360^2 + 134538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20343442997 and 20343443015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648329 + ... + 1660624.

It is an arithmetic number, because the mean of its divisors is an integer number (1563480765).

Almost surely, 2^20343443044 is an apocalyptic number.

It is an amenable number.

20343443044 is a deficient number, since it is larger than the sum of its proper divisors (17180095316).

20343443044 is a wasteful number, since it uses less digits than its factorization.

20343443044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309039 (or 3309037 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 20343443044 its reverse (44034434302), we get a palindrome (64377877346).

The spelling of 20343443044 in words is "twenty billion, three hundred forty-three million, four hundred forty-three thousand, forty-four".