20300013011100 has 144 divisors (see below), whose sum is σ = 60382665310688. Its totient is φ = 5261744655360.

The previous prime is 20300013011099. The next prime is 20300013011107. The reversal of 20300013011100 is 111031000302.

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 (20300013011107) 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 47 ways as a sum of consecutive naturals, for example, 10149534 + ... + 11983866.

Almost surely, 2^{20300013011100} is an apocalyptic number.

20300013011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20300013011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30191332655344).

20300013011100 is an abundant number, since it is smaller than the sum of its proper divisors (40082652299588).

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

20300013011100 is a wasteful number, since it uses less digits than its factorization.

20300013011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835384 (or 1835377 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20300013011100 its reverse (111031000302), we get a palindrome (20411044011402).

The spelling of 20300013011100 in words is "twenty trillion, three hundred billion, thirteen million, eleven thousand, one hundred".