20544051102 has 16 divisors (see below), whose sum is σ = 41092708752. Its totient is φ = 6847249280.

The previous prime is 20544051083. The next prime is 20544051109. The reversal of 20544051102 is 20115044502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20544051109) by changing a digit.

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, 132549 + ... + 242192.

It is an arithmetic number, because the mean of its divisors is an integer number (2568294297).

Almost surely, 2^20544051102 is an apocalyptic number.

20544051102 is an abundant number, since it is smaller than the sum of its proper divisors (20548657650).

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

20544051102 is a wasteful number, since it uses less digits than its factorization.

20544051102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383883.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 20544051102 its reverse (20115044502), we get a palindrome (40659095604).

The spelling of 20544051102 in words is "twenty billion, five hundred forty-four million, fifty-one thousand, one hundred two".