20044020224 has 40 divisors (see below), whose sum is σ = 40613034528. Its totient is φ = 9880837120.

The previous prime is 20044020203. The next prime is 20044020239. The reversal of 20044020224 is 42202044002.

It is a junction number, because it is equal to n+sod(n) for n = 20044020196 and 20044020205.

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, 239342 + ... + 312045.

Almost surely, 2^20044020224 is an apocalyptic number.

It is an amenable number.

20044020224 is an abundant number, since it is smaller than the sum of its proper divisors (20569014304).

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

20044020224 is an frugal number, since it uses more digits than its factorization.

20044020224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551476 (or 551460 counting only the distinct ones).

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

Adding to 20044020224 its reverse (42202044002), we get a palindrome (62246064226).

The spelling of 20044020224 in words is "twenty billion, forty-four million, twenty thousand, two hundred twenty-four".