20204220044 has 36 divisors (see below), whose sum is σ = 37595603136. Its totient is φ = 9498749184.

The previous prime is 20204220011. The next prime is 20204220079. The reversal of 20204220044 is 44002240202.

It is a junction number, because it is equal to n+sod(n) for n = 20204219998 and 20204220025.

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, 1283429 + ... + 1299075.

Almost surely, 2^20204220044 is an apocalyptic number.

It is an amenable number.

20204220044 is a deficient number, since it is larger than the sum of its proper divisors (17391383092).

20204220044 is a wasteful number, since it uses less digits than its factorization.

20204220044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16802 (or 16783 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20204220044 its reverse (44002240202), we get a palindrome (64206460246).

The spelling of 20204220044 in words is "twenty billion, two hundred four million, two hundred twenty thousand, forty-four".