20436406024026 has 16 divisors (see below), whose sum is σ = 43024012682400. Its totient is φ = 6453601902288.

The previous prime is 20436406023997. The next prime is 20436406024037. The reversal of 20436406024026 is 62042060463402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89633359641 + ... + 89633359868.

It is an arithmetic number, because the mean of its divisors is an integer number (2689000792650).

Almost surely, 2^{20436406024026} is an apocalyptic number.

20436406024026 is an abundant number, since it is smaller than the sum of its proper divisors (22587606658374).

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

20436406024026 is a wasteful number, since it uses less digits than its factorization.

20436406024026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179266719533.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 20436406024026 its reverse (62042060463402), we get a palindrome (82478466487428).

The spelling of 20436406024026 in words is "twenty trillion, four hundred thirty-six billion, four hundred six million, twenty-four thousand, twenty-six".