20003002311100 has 72 divisors (see below), whose sum is σ = 44612024925440. Its totient is φ = 7782010441920.

The previous prime is 20003002311067. The next prime is 20003002311119. The reversal of 20003002311100 is 111320030002.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 18366414 + ... + 19425013.

Almost surely, 2^{20003002311100} is an apocalyptic number.

20003002311100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003002311100 is an abundant number, since it is smaller than the sum of its proper divisors (24609022614340).

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

20003002311100 is a wasteful number, since it uses less digits than its factorization.

20003002311100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37791587 (or 37791580 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20003002311100 its reverse (111320030002), we get a palindrome (20114322341102).

The spelling of 20003002311100 in words is "twenty trillion, three billion, two million, three hundred eleven thousand, one hundred".