20653013192 has 64 divisors (see below), whose sum is σ = 46197734400. Its totient is φ = 8469457920.

The previous prime is 20653013149. The next prime is 20653013209. The reversal of 20653013192 is 29131035602.

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 in 15 ways as a sum of consecutive naturals, for example, 87668 + ... + 221340.

It is an arithmetic number, because the mean of its divisors is an integer number (721839600).

Almost surely, 2^20653013192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20653013192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23098867200).

20653013192 is an abundant number, since it is smaller than the sum of its proper divisors (25544721208).

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

20653013192 is a wasteful number, since it uses less digits than its factorization.

20653013192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133806 (or 133802 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 20653013192 its reverse (29131035602), we get a palindrome (49784048794).

The spelling of 20653013192 in words is "twenty billion, six hundred fifty-three million, thirteen thousand, one hundred ninety-two".