20240404205 has 16 divisors (see below), whose sum is σ = 28213325184. Its totient is φ = 13651606080.

The previous prime is 20240404199. The next prime is 20240404243. The reversal of 20240404205 is 50240404202.

It is not a de Polignac number, because 20240404205 - 2³⁴ = 3060535021 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4738007 + ... + 4742276.

It is an arithmetic number, because the mean of its divisors is an integer number (1763332824).

Almost surely, 2^20240404205 is an apocalyptic number.

It is an amenable number.

20240404205 is a deficient number, since it is larger than the sum of its proper divisors (7972920979).

20240404205 is an equidigital number, since it uses as much as digits as its factorization.

20240404205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480356.

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 20240404205 its reverse (50240404202), we get a palindrome (70480808407).

The spelling of 20240404205 in words is "twenty billion, two hundred forty million, four hundred four thousand, two hundred five".