20240024409 has 36 divisors (see below), whose sum is σ = 32741402148. Its totient is φ = 12035200320.

The previous prime is 20240024383. The next prime is 20240024423. The reversal of 20240024409 is 90442004202.

It can be written as a sum of positive squares in 2 ways, for example, as 8265537225 + 11974487184 = 90915^2 + 109428^2 .

It is not a de Polignac number, because 20240024409 - 2⁵ = 20240024377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20240024429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 117622 + ... + 233055.

It is an arithmetic number, because the mean of its divisors is an integer number (909483393).

Almost surely, 2^20240024409 is an apocalyptic number.

It is an amenable number.

20240024409 is a deficient number, since it is larger than the sum of its proper divisors (12501377739).

20240024409 is a wasteful number, since it uses less digits than its factorization.

20240024409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350758 (or 350744 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The spelling of 20240024409 in words is "twenty billion, two hundred forty million, twenty-four thousand, four hundred nine".