20444301320 has 32 divisors (see below), whose sum is σ = 48705543000. Its totient is φ = 7696677888.

The previous prime is 20444301307. The next prime is 20444301323. The reversal of 20444301320 is 2310344402.

It can be written as a sum of positive squares in 4 ways, for example, as 16490155396 + 3954145924 = 128414^2 + 62882^2 .

It is not an unprimeable number, because it can be changed into a prime (20444301323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15031895 + ... + 15033254.

Almost surely, 2^20444301320 is an apocalyptic number.

20444301320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444301320 is an abundant number, since it is smaller than the sum of its proper divisors (28261241680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20444301320 is a wasteful number, since it uses less digits than its factorization.

20444301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30065177 (or 30065173 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20444301320 its reverse (2310344402), we get a palindrome (22754645722).

The spelling of 20444301320 in words is "twenty billion, four hundred forty-four million, three hundred one thousand, three hundred twenty".