110002012000020 has 72 divisors (see below), whose sum is σ = 381340308271104. Its totient is φ = 25143317028288.

The previous prime is 110002012000019. The next prime is 110002012000033. The reversal of 110002012000020 is 20000210200011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 110002011999966 and 110002012000011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43651590804 + ... + 43651593323.

It is an arithmetic number, because the mean of its divisors is an integer number (5296393170432).

Almost surely, 2^{110002012000020} is an apocalyptic number.

110002012000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110002012000020 is an abundant number, since it is smaller than the sum of its proper divisors (271338296271084).

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

110002012000020 is a wasteful number, since it uses less digits than its factorization.

110002012000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87303184149 (or 87303184144 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 110002012000020 its reverse (20000210200011), we get a palindrome (130002222200031).

The spelling of 110002012000020 in words is "one hundred ten trillion, two billion, twelve million, twenty", and thus it is an aban number.