20424341024 has 12 divisors (see below), whose sum is σ = 40210421454. Its totient is φ = 10212170496.

The previous prime is 20424341017. The next prime is 20424341051. The reversal of 20424341024 is 42014342402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19636977424 + 787363600 = 140132^2 + 28060^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20424340984 and 20424341002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319130297 + ... + 319130360.

Almost surely, 2^20424341024 is an apocalyptic number.

It is an amenable number.

20424341024 is a deficient number, since it is larger than the sum of its proper divisors (19786080430).

20424341024 is an equidigital number, since it uses as much as digits as its factorization.

20424341024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638260667 (or 638260659 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20424341024 its reverse (42014342402), we get a palindrome (62438683426).

The spelling of 20424341024 in words is "twenty billion, four hundred twenty-four million, three hundred forty-one thousand, twenty-four".