20202020201100 has 36 divisors (see below), whose sum is σ = 58451178449384. Its totient is φ = 5387205386880.

The previous prime is 20202020201053. The next prime is 20202020201117. The reversal of 20202020201100 is 110202020202.

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

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 11 ways as a sum of consecutive naturals, for example, 33670033369 + ... + 33670033968.

Almost surely, 2^{20202020201100} is an apocalyptic number.

20202020201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202020201100 is an abundant number, since it is smaller than the sum of its proper divisors (38249158248284).

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

20202020201100 is a wasteful number, since it uses less digits than its factorization.

20202020201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67340067354 (or 67340067347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202020201100 its reverse (110202020202), we get a palindrome (20312222221302).

The spelling of 20202020201100 in words is "twenty trillion, two hundred two billion, twenty million, two hundred one thousand, one hundred".