20110400000082 has 24 divisors (see below), whose sum is σ = 49797180952896. Its totient is φ = 5745828571416.

The previous prime is 20110400000081. The next prime is 20110400000137. The reversal of 20110400000082 is 28000000401102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20110400000081) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 79803174478 + ... + 79803174729.

It is an arithmetic number, because the mean of its divisors is an integer number (2074882539704).

Almost surely, 2^{20110400000082} is an apocalyptic number.

20110400000082 is an abundant number, since it is smaller than the sum of its proper divisors (29686780952814).

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

20110400000082 is a wasteful number, since it uses less digits than its factorization.

20110400000082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159606349222 (or 159606349219 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20110400000082 its reverse (28000000401102), we get a palindrome (48110400401184).

The spelling of 20110400000082 in words is "twenty trillion, one hundred ten billion, four hundred million, eighty-two", and thus it is an aban number.