20044224456 has 32 divisors (see below), whose sum is σ = 50126968800. Its totient is φ = 6679220480.

The previous prime is 20044224427. The next prime is 20044224461. The reversal of 20044224456 is 65442244002.

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, 61050 + ... + 209321.

It is an arithmetic number, because the mean of its divisors is an integer number (1566467775).

Almost surely, 2^20044224456 is an apocalyptic number.

It is an amenable number.

20044224456 is an abundant number, since it is smaller than the sum of its proper divisors (30082744344).

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

20044224456 is a wasteful number, since it uses less digits than its factorization.

20044224456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273469 (or 273465 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 20044224456 its reverse (65442244002), we get a palindrome (85486468458).

The spelling of 20044224456 in words is "twenty billion, forty-four million, two hundred twenty-four thousand, four hundred fifty-six".