20300102112 has 24 divisors (see below), whose sum is σ = 53287768296. Its totient is φ = 6766700672.

The previous prime is 20300102111. The next prime is 20300102129. The reversal of 20300102112 is 21120100302.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20300102111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105729603 + ... + 105729794.

It is an arithmetic number, because the mean of its divisors is an integer number (2220323679).

Almost surely, 2^20300102112 is an apocalyptic number.

It is an amenable number.

20300102112 is an abundant number, since it is smaller than the sum of its proper divisors (32987666184).

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

20300102112 is a wasteful number, since it uses less digits than its factorization.

20300102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211459410 (or 211459402 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20300102112 its reverse (21120100302), we get a palindrome (41420202414).

The spelling of 20300102112 in words is "twenty billion, three hundred million, one hundred two thousand, one hundred twelve".