20033113312100 has 72 divisors (see below), whose sum is σ = 50061374075328. Its totient is φ = 6816064694400.

The previous prime is 20033113312097. The next prime is 20033113312141. The reversal of 20033113312100 is 121331133002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109140107 + ... + 109323506.

Almost surely, 2^{20033113312100} is an apocalyptic number.

20033113312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033113312100 is an abundant number, since it is smaller than the sum of its proper divisors (30028260763228).

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

20033113312100 is a wasteful number, since it uses less digits than its factorization.

20033113312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218463765 (or 218463758 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20033113312100 its reverse (121331133002), we get a palindrome (20154444445102).

The spelling of 20033113312100 in words is "twenty trillion, thirty-three billion, one hundred thirteen million, three hundred twelve thousand, one hundred".