20432200244 has 24 divisors (see below), whose sum is σ = 37900017288. Its totient is φ = 9604904960.

The previous prime is 20432200237. The next prime is 20432200247. The reversal of 20432200244 is 44200223402.

It can be written as a sum of positive squares in 4 ways, for example, as 1036067344 + 19396132900 = 32188^2 + 139270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432200247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95669 + ... + 223644.

It is an arithmetic number, because the mean of its divisors is an integer number (1579167387).

Almost surely, 2^20432200244 is an apocalyptic number.

It is an amenable number.

20432200244 is a deficient number, since it is larger than the sum of its proper divisors (17467817044).

20432200244 is a wasteful number, since it uses less digits than its factorization.

20432200244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320275 (or 320273 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 20432200244 its reverse (44200223402), we get a palindrome (64632423646).

The spelling of 20432200244 in words is "twenty billion, four hundred thirty-two million, two hundred thousand, two hundred forty-four".