20203200102100 has 72 divisors (see below), whose sum is σ = 44911597348800. Its totient is φ = 7883936582400.

The previous prime is 20203200102091. The next prime is 20203200102119. The reversal of 20203200102100 is 120100230202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201419761 + ... + 201520039.

It is an arithmetic number, because the mean of its divisors is an integer number (623772185400).

Almost surely, 2^{20203200102100} is an apocalyptic number.

20203200102100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20203200102100 is an abundant number, since it is smaller than the sum of its proper divisors (24708397246700).

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

20203200102100 is a wasteful number, since it uses less digits than its factorization.

20203200102100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149473 (or 149466 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20203200102100 its reverse (120100230202), we get a palindrome (20323300332302).

The spelling of 20203200102100 in words is "twenty trillion, two hundred three billion, two hundred million, one hundred two thousand, one hundred".