20110168782 has 192 divisors, whose sum is σ = 51259944960. Its totient is φ = 5833080000.

The previous prime is 20110168769. The next prime is 20110168783. The reversal of 20110168782 is 28786101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110168783) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20457463 + ... + 20458445.

It is an arithmetic number, because the mean of its divisors is an integer number (266978880).

Almost surely, 2^20110168782 is an apocalyptic number.

20110168782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110168782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25629972480).

20110168782 is an abundant number, since it is smaller than the sum of its proper divisors (31149776178).

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

20110168782 is a wasteful number, since it uses less digits than its factorization.

20110168782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

Adding to 20110168782 its reverse (28786101102), we get a palindrome (48896269884).

The spelling of 20110168782 in words is "twenty billion, one hundred ten million, one hundred sixty-eight thousand, seven hundred eighty-two".