20033221110100 has 72 divisors (see below), whose sum is σ = 47429211211200. Its totient is φ = 7284022233600.

The previous prime is 20033221110083. The next prime is 20033221110121. The reversal of 20033221110100 is 101112233002.

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, 9273756 + ... + 11228044.

It is an arithmetic number, because the mean of its divisors is an integer number (658739044600).

Almost surely, 2^{20033221110100} is an apocalyptic number.

20033221110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20033221110100 is an abundant number, since it is smaller than the sum of its proper divisors (27395990101100).

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

20033221110100 is a wasteful number, since it uses less digits than its factorization.

20033221110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963633 (or 1963626 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20033221110100 its reverse (101112233002), we get a palindrome (20134333343102).

The spelling of 20033221110100 in words is "twenty trillion, thirty-three billion, two hundred twenty-one million, one hundred ten thousand, one hundred".