20266113044 has 6 divisors (see below), whose sum is σ = 35465697834. Its totient is φ = 10133056520.

The previous prime is 20266112987. The next prime is 20266113061. The reversal of 20266113044 is 44031166202.

It can be written as a sum of positive squares in only one way, i.e., 18898000900 + 1368112144 = 137470^2 + 36988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20266112998 and 20266113016.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2533264127 + ... + 2533264134.

It is an arithmetic number, because the mean of its divisors is an integer number (5910949639).

Almost surely, 2^20266113044 is an apocalyptic number.

It is an amenable number.

20266113044 is a deficient number, since it is larger than the sum of its proper divisors (15199584790).

20266113044 is a wasteful number, since it uses less digits than its factorization.

20266113044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066528265 (or 5066528263 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 20266113044 its reverse (44031166202), we get a palindrome (64297279246).

The spelling of 20266113044 in words is "twenty billion, two hundred sixty-six million, one hundred thirteen thousand, forty-four".