24220020424 has 8 divisors (see below), whose sum is σ = 45412538310. Its totient is φ = 12110010208.

The previous prime is 24220020421. The next prime is 24220020467. The reversal of 24220020424 is 42402002242.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22031464900 + 2188555524 = 148430^2 + 46782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 24220020395 and 24220020404.

It is not an unprimeable number, because it can be changed into a prime (24220020421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1513751269 + ... + 1513751284.

Almost surely, 2^24220020424 is an apocalyptic number.

It is an amenable number.

24220020424 is a deficient number, since it is larger than the sum of its proper divisors (21192517886).

24220020424 is a wasteful number, since it uses less digits than its factorization.

24220020424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027502559 (or 3027502555 counting only the distinct ones).

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

Adding to 24220020424 its reverse (42402002242), we get a palindrome (66622022666).

The spelling of 24220020424 in words is "twenty-four billion, two hundred twenty million, twenty thousand, four hundred twenty-four".