20424220220044 has 12 divisors (see below), whose sum is σ = 36614150882568. Its totient is φ = 9963034253600.

The previous prime is 20424220220029. The next prime is 20424220220051. The reversal of 20424220220044 is 44002202242402.

It is a junction number, because it is equal to n+sod(n) for n = 20424220219994 and 20424220220021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62268963922 + ... + 62268964249.

It is an arithmetic number, because the mean of its divisors is an integer number (3051179240214).

Almost surely, 2^{20424220220044} is an apocalyptic number.

It is an amenable number.

20424220220044 is a deficient number, since it is larger than the sum of its proper divisors (16189930662524).

20424220220044 is a wasteful number, since it uses less digits than its factorization.

20424220220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124537928216 (or 124537928214 counting only the distinct ones).

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

Adding to 20424220220044 its reverse (44002202242402), we get a palindrome (64426422462446).

The spelling of 20424220220044 in words is "twenty trillion, four hundred twenty-four billion, two hundred twenty million, two hundred twenty thousand, forty-four".