20020200100100 has 72 divisors (see below), whose sum is σ = 43467548190528. Its totient is φ = 8003710281600.

The previous prime is 20020200100031. The next prime is 20020200100129. The reversal of 20020200100100 is 100100202002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2626974290 + ... + 2626981910.

Almost surely, 2^{20020200100100} is an apocalyptic number.

20020200100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020200100100 is an abundant number, since it is smaller than the sum of its proper divisors (23447348090428).

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

20020200100100 is a wasteful number, since it uses less digits than its factorization.

20020200100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18525 (or 18518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20020200100100 its reverse (100100202002), we get a palindrome (20120300302102).

The spelling of 20020200100100 in words is "twenty trillion, twenty billion, two hundred million, one hundred thousand, one hundred".