20224040224 has 12 divisors (see below), whose sum is σ = 39816079254. Its totient is φ = 10112020096.

The previous prime is 20224040209. The next prime is 20224040261. The reversal of 20224040224 is 42204042202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16986430224 + 3237610000 = 130332^2 + 56900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20224040195 and 20224040204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316000597 + ... + 316000660.

Almost surely, 2^20224040224 is an apocalyptic number.

It is an amenable number.

20224040224 is a deficient number, since it is larger than the sum of its proper divisors (19592039030).

20224040224 is an equidigital number, since it uses as much as digits as its factorization.

20224040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632001267 (or 632001259 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20224040224 its reverse (42204042202), we get a palindrome (62428082426).

The spelling of 20224040224 in words is "twenty billion, two hundred twenty-four million, forty thousand, two hundred twenty-four".