20201224044 has 24 divisors (see below), whose sum is σ = 48232381120. Its totient is φ = 6577142544.

The previous prime is 20201224039. The next prime is 20201224097. The reversal of 20201224044 is 44042210202.

It is a self number, because there is not a number n which added to its sum of digits gives 20201224044.

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 7 ways as a sum of consecutive naturals, for example, 19574314 + ... + 19575345.

Almost surely, 2^20201224044 is an apocalyptic number.

It is an amenable number.

20201224044 is an abundant number, since it is smaller than the sum of its proper divisors (28031157076).

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

20201224044 is a wasteful number, since it uses less digits than its factorization.

20201224044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39149709 (or 39149707 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20201224044 its reverse (44042210202), we get a palindrome (64243434246).

The spelling of 20201224044 in words is "twenty billion, two hundred one million, two hundred twenty-four thousand, forty-four".