24420204440420 has 24 divisors (see below), whose sum is σ = 51434602719864. Its totient is φ = 9739096367616.

The previous prime is 24420204440371. The next prime is 24420204440453. The reversal of 24420204440420 is 2404440202442.

It can be written as a sum of positive squares in 4 ways, for example, as 976092624676 + 23444111815744 = 987974^2 + 4841912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811581127 + ... + 1811594606.

It is an arithmetic number, because the mean of its divisors is an integer number (2143108446661).

Almost surely, 2^{24420204440420} is an apocalyptic number.

24420204440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24420204440420 is an abundant number, since it is smaller than the sum of its proper divisors (27014398279444).

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

24420204440420 is a wasteful number, since it uses less digits than its factorization.

24420204440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623176079 (or 3623176077 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 24420204440420 its reverse (2404440202442), we get a palindrome (26824644642862).

The spelling of 24420204440420 in words is "twenty-four trillion, four hundred twenty billion, two hundred four million, four hundred forty thousand, four hundred twenty".