20001122202320 has 40 divisors (see below), whose sum is σ = 53145838996224. Its totient is φ = 6857527612032.

The previous prime is 20001122202319. The next prime is 20001122202353. The reversal of 20001122202320 is 2320222110002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17858144264 + ... + 17858145383.

Almost surely, 2^{20001122202320} is an apocalyptic number.

20001122202320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001122202320 is an abundant number, since it is smaller than the sum of its proper divisors (33144716793904).

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

20001122202320 is a wasteful number, since it uses less digits than its factorization.

20001122202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35716289667 (or 35716289661 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20001122202320 its reverse (2320222110002), we get a palindrome (22321344312322).

The spelling of 20001122202320 in words is "twenty trillion, one billion, one hundred twenty-two million, two hundred two thousand, three hundred twenty".