20004442056 has 48 divisors (see below), whose sum is σ = 54196318800. Its totient is φ = 6665978592.

The previous prime is 20004442037. The next prime is 20004442091. The reversal of 20004442056 is 65024440002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185875 + ... + 273053.

It is an arithmetic number, because the mean of its divisors is an integer number (1129089975).

Almost surely, 2^20004442056 is an apocalyptic number.

It is an amenable number.

20004442056 is an abundant number, since it is smaller than the sum of its proper divisors (34191876744).

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

20004442056 is a wasteful number, since it uses less digits than its factorization.

20004442056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90378 (or 90371 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 20004442056 its reverse (65024440002), we get a palindrome (85028882058).

The spelling of 20004442056 in words is "twenty billion, four million, four hundred forty-two thousand, fifty-six".