20201200201100 has 18 divisors (see below), whose sum is σ = 43836604436604. Its totient is φ = 8080480080400.

The previous prime is 20201200201093. The next prime is 20201200201141. The reversal of 20201200201100 is 110200210202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101006000906 + ... + 101006001105.

Almost surely, 2^{20201200201100} is an apocalyptic number.

20201200201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201200201100 is an abundant number, since it is smaller than the sum of its proper divisors (23635404235504).

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

20201200201100 is a wasteful number, since it uses less digits than its factorization.

20201200201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202012002025 (or 202012002018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201200201100 its reverse (110200210202), we get a palindrome (20311400411302).

The spelling of 20201200201100 in words is "twenty trillion, two hundred one billion, two hundred million, two hundred one thousand, one hundred".