20404204022024 has 8 divisors (see below), whose sum is σ = 38257882541310. Its totient is φ = 10202102011008.

The previous prime is 20404204022009. The next prime is 20404204022171. The reversal of 20404204022024 is 42022040240402.

It can be written as a sum of positive squares in only one way, i.e., 18366967348900 + 2037236673124 = 4285670^2 + 1427318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20404204021984 and 20404204022002.

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 as a sum of consecutive naturals, namely, 1275262751369 + ... + 1275262751384.

Almost surely, 2^{20404204022024} is an apocalyptic number.

It is an amenable number.

20404204022024 is a deficient number, since it is larger than the sum of its proper divisors (17853678519286).

20404204022024 is a wasteful number, since it uses less digits than its factorization.

20404204022024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550525502759 (or 2550525502755 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20404204022024 its reverse (42022040240402), we get a palindrome (62426244262426).

The spelling of 20404204022024 in words is "twenty trillion, four hundred four billion, two hundred four million, twenty-two thousand, twenty-four".