20000040044 has 12 divisors (see below), whose sum is σ = 35001624000. Its totient is φ = 9999576048.

The previous prime is 20000040043. The next prime is 20000040083. The reversal of 20000040044 is 44004000002.

It is not an unprimeable number, because it can be changed into a prime (20000040043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3482 + ... + 200030.

It is an arithmetic number, because the mean of its divisors is an integer number (2916802000).

Almost surely, 2^20000040044 is an apocalyptic number.

It is an amenable number.

20000040044 is a deficient number, since it is larger than the sum of its proper divisors (15001583956).

20000040044 is a wasteful number, since it uses less digits than its factorization.

20000040044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221992 (or 221990 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20000040044 its reverse (44004000002), we get a palindrome (64004040046).

The spelling of 20000040044 in words is "twenty billion, forty thousand, forty-four".