24205020420136 has 16 divisors (see below), whose sum is σ = 45396119410740. Its totient is φ = 12099388577280.

The previous prime is 24205020420101. The next prime is 24205020420143. The reversal of 24205020420136 is 63102402050242.

It can be written as a sum of positive squares in 2 ways, for example, as 23276823055236 + 928197364900 = 4824606^2 + 963430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24205020420098 and 24205020420107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390171145 + ... + 390233176.

Almost surely, 2^{24205020420136} is an apocalyptic number.

It is an amenable number.

24205020420136 is a deficient number, since it is larger than the sum of its proper divisors (21191098990604).

24205020420136 is a wasteful number, since it uses less digits than its factorization.

24205020420136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780408204 (or 780408200 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 24205020420136 its reverse (63102402050242), we get a palindrome (87307422470378).

The spelling of 24205020420136 in words is "twenty-four trillion, two hundred five billion, twenty million, four hundred twenty thousand, one hundred thirty-six".