20242400024040 has 32 divisors (see below), whose sum is σ = 60727200072480. Its totient is φ = 5397973339712.

The previous prime is 20242400024023. The next prime is 20242400024053. The reversal of 20242400024040 is 4042000424202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20242400024040.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 84343333314 + ... + 84343333553.

It is an arithmetic number, because the mean of its divisors is an integer number (1897725002265).

Almost surely, 2^{20242400024040} is an apocalyptic number.

20242400024040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242400024040 is an abundant number, since it is smaller than the sum of its proper divisors (40484800048440).

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

20242400024040 is a wasteful number, since it uses less digits than its factorization.

20242400024040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168686666881 (or 168686666877 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20242400024040 its reverse (4042000424202), we get a palindrome (24284400448242).

The spelling of 20242400024040 in words is "twenty trillion, two hundred forty-two billion, four hundred million, twenty-four thousand, forty".