20444004244004 has 24 divisors (see below), whose sum is σ = 39415892979456. Its totient is φ = 9200721980000.

The previous prime is 20444004243989. The next prime is 20444004244039. The reversal of 20444004244004 is 40044240044402.

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, 2300176052 + ... + 2300184939.

It is an arithmetic number, because the mean of its divisors is an integer number (1642328874144).

Almost surely, 2^{20444004244004} is an apocalyptic number.

It is an amenable number.

20444004244004 is a deficient number, since it is larger than the sum of its proper divisors (18971888735452).

20444004244004 is a wasteful number, since it uses less digits than its factorization.

20444004244004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4600361107 (or 4600361105 counting only the distinct ones).

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

Adding to 20444004244004 its reverse (40044240044402), we get a palindrome (60488244288406).

The spelling of 20444004244004 in words is "twenty trillion, four hundred forty-four billion, four million, two hundred forty-four thousand, four".