20300020132100 has 72 divisors (see below), whose sum is σ = 48146871403008. Its totient is φ = 7395832742400.

The previous prime is 20300020131977. The next prime is 20300020132159. The reversal of 20300020132100 is 123102000302.

It is a happy 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, 192547112 + ... + 192652511.

It is an arithmetic number, because the mean of its divisors is an integer number (668706547264).

Almost surely, 2^{20300020132100} is an apocalyptic number.

20300020132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300020132100 is an abundant number, since it is smaller than the sum of its proper divisors (27846851270908).

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

20300020132100 is a wasteful number, since it uses less digits than its factorization.

20300020132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385199685 (or 385199678 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20300020132100 its reverse (123102000302), we get a palindrome (20423122132402).

The spelling of 20300020132100 in words is "twenty trillion, three hundred billion, twenty million, one hundred thirty-two thousand, one hundred".