20002240044 has 36 divisors (see below), whose sum is σ = 53222336440. Its totient is φ = 6316496640.

The previous prime is 20002239991. The next prime is 20002240051. The reversal of 20002240044 is 44004220002.

20002240044 is a `hidden beast` number, since 200 + 0 + 22 + 400 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20002239999 and 20002240026.

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, 14620837 + ... + 14622204.

Almost surely, 2^20002240044 is an apocalyptic number.

It is an amenable number.

20002240044 is an abundant number, since it is smaller than the sum of its proper divisors (33220096396).

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

20002240044 is a wasteful number, since it uses less digits than its factorization.

20002240044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29243070 (or 29243065 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 20002240044 its reverse (44004220002), we get a palindrome (64006460046).

The spelling of 20002240044 in words is "twenty billion, two million, two hundred forty thousand, forty-four".