20641053112 has 16 divisors (see below), whose sum is σ = 38805738840. Its totient is φ = 10292856096.

The previous prime is 20641053109. The next prime is 20641053127. The reversal of 20641053112 is 21135014602.

It is a happy number.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 3455638 + ... + 3461605.

Almost surely, 2^20641053112 is an apocalyptic number.

It is an amenable number.

20641053112 is a deficient number, since it is larger than the sum of its proper divisors (18164685728).

20641053112 is a wasteful number, since it uses less digits than its factorization.

20641053112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6917622 (or 6917618 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 20641053112 its reverse (21135014602), we get a palindrome (41776067714).

The spelling of 20641053112 in words is "twenty billion, six hundred forty-one million, fifty-three thousand, one hundred twelve".