20040244240244 has 72 divisors (see below), whose sum is σ = 37267804363608. Its totient is φ = 9423297157120.

The previous prime is 20040244240201. The next prime is 20040244240253. The reversal of 20040244240244 is 44204244204002.

It can be written as a sum of positive squares in 12 ways, for example, as 17751644092900 + 2288600147344 = 4213270^2 + 1512812^2 .

It is a super-2 number, since 2×20040244240244² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20040244240244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84981362 + ... + 85216854.

It is an arithmetic number, because the mean of its divisors is an integer number (517608393939).

Almost surely, 2^{20040244240244} is an apocalyptic number.

It is an amenable number.

20040244240244 is a deficient number, since it is larger than the sum of its proper divisors (17227560123364).

20040244240244 is a wasteful number, since it uses less digits than its factorization.

20040244240244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236213 (or 236182 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 20040244240244 its reverse (44204244204002), we get a palindrome (64244488444246).

The spelling of 20040244240244 in words is "twenty trillion, forty billion, two hundred forty-four million, two hundred forty thousand, two hundred forty-four".