20004255044 has 24 divisors (see below), whose sum is σ = 35160518400. Its totient is φ = 9958459104.

The previous prime is 20004254989. The next prime is 20004255053. The reversal of 20004255044 is 44055240002.

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, 1308557 + ... + 1323755.

It is an arithmetic number, because the mean of its divisors is an integer number (1465021600).

Almost surely, 2^20004255044 is an apocalyptic number.

It is an amenable number.

20004255044 is a deficient number, since it is larger than the sum of its proper divisors (15156263356).

20004255044 is a wasteful number, since it uses less digits than its factorization.

20004255044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16619 (or 16617 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 20004255044 its reverse (44055240002), we get a palindrome (64059495046).

The spelling of 20004255044 in words is "twenty billion, four million, two hundred fifty-five thousand, forty-four".