20444404044 has 24 divisors (see below), whose sum is σ = 48195401968. Its totient is φ = 6744545280.

The previous prime is 20444404037. The next prime is 20444404121. The reversal of 20444404044 is 44040444402.

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, 8780797 + ... + 8783124.

Almost surely, 2^20444404044 is an apocalyptic number.

It is an amenable number.

20444404044 is an abundant number, since it is smaller than the sum of its proper divisors (27750997924).

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

20444404044 is a wasteful number, since it uses less digits than its factorization.

20444404044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564025 (or 17564023 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 20444404044 its reverse (44040444402), we get a palindrome (64484848446).

The spelling of 20444404044 in words is "twenty billion, four hundred forty-four million, four hundred four thousand, forty-four".