20202002101100 has 18 divisors (see below), whose sum is σ = 43838344559604. Its totient is φ = 8080800840400.

The previous prime is 20202002101069. The next prime is 20202002101109. The reversal of 20202002101100 is 110120020202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20202002101109) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 101010010406 + ... + 101010010605.

Almost surely, 2^{20202002101100} is an apocalyptic number.

20202002101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202002101100 is an abundant number, since it is smaller than the sum of its proper divisors (23636342458504).

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

20202002101100 is a wasteful number, since it uses less digits than its factorization.

20202002101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202020021025 (or 202020021018 counting only the distinct ones).

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

Adding to 20202002101100 its reverse (110120020202), we get a palindrome (20312122121302).

The spelling of 20202002101100 in words is "twenty trillion, two hundred two billion, two million, one hundred one thousand, one hundred".