20105404533224 has 16 divisors (see below), whose sum is σ = 37710727545600. Its totient is φ = 10049210521072.

The previous prime is 20105404533223. The next prime is 20105404533241. The reversal of 20105404533224 is 42233540450102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20105404533223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 436443722 + ... + 436489785.

It is an arithmetic number, because the mean of its divisors is an integer number (2356920471600).

Almost surely, 2^{20105404533224} is an apocalyptic number.

It is an amenable number.

20105404533224 is a deficient number, since it is larger than the sum of its proper divisors (17605323012376).

20105404533224 is a wasteful number, since it uses less digits than its factorization.

20105404533224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872936392 (or 872936388 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 20105404533224 its reverse (42233540450102), we get a palindrome (62338944983326).

The spelling of 20105404533224 in words is "twenty trillion, one hundred five billion, four hundred four million, five hundred thirty-three thousand, two hundred twenty-four".