20044440020404 has 24 divisors (see below), whose sum is σ = 35208785966760. Its totient is φ = 9984788190336.

The previous prime is 20044440020399. The next prime is 20044440020489. The reversal of 20044440020404 is 40402004444002.

It can be written as a sum of positive squares in 4 ways, for example, as 1722530252304 + 18321909768100 = 1312452^2 + 4280410^2 .

It is a congruent number.

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, 79581114 + ... + 79832590.

It is an arithmetic number, because the mean of its divisors is an integer number (1467032748615).

Almost surely, 2^{20044440020404} is an apocalyptic number.

It is an amenable number.

20044440020404 is a deficient number, since it is larger than the sum of its proper divisors (15164345946356).

20044440020404 is a wasteful number, since it uses less digits than its factorization.

20044440020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325827 (or 325825 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20044440020404 its reverse (40402004444002), we get a palindrome (60446444464406).

The spelling of 20044440020404 in words is "twenty trillion, forty-four billion, four hundred forty million, twenty thousand, four hundred four".