20024240442004 has 12 divisors (see below), whose sum is σ = 35075448510228. Its totient is φ = 10002683724800.

The previous prime is 20024240441983. The next prime is 20024240442007. The reversal of 20024240442004 is 40024404242002.

It can be written as a sum of positive squares in 2 ways, for example, as 11478557552004 + 8545682890000 = 3388002^2 + 2923300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20024240442007) by changing a digit.

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, 2359119277 + ... + 2359127764.

It is an arithmetic number, because the mean of its divisors is an integer number (2922954042519).

Almost surely, 2^{20024240442004} is an apocalyptic number.

It is an amenable number.

20024240442004 is a deficient number, since it is larger than the sum of its proper divisors (15051208068224).

20024240442004 is a wasteful number, since it uses less digits than its factorization.

20024240442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718248106 (or 4718248104 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20024240442004 its reverse (40024404242002), we get a palindrome (60048644684006).

The spelling of 20024240442004 in words is "twenty trillion, twenty-four billion, two hundred forty million, four hundred forty-two thousand, four".