20112023200221 has 12 divisors (see below), whose sum is σ = 29166440022720. Its totient is φ = 13354597077000.

The previous prime is 20112023200189. The next prime is 20112023200273. The reversal of 20112023200221 is 12200232021102.

20112023200221 is a `hidden beast` number, since 2 + 0 + 1 + 120 + 2 + 320 + 0 + 221 = 666.

It is not a de Polignac number, because 20112023200221 - 2⁵ = 20112023200189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20112023200194 and 20112023200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112023220221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4451530101 + ... + 4451534618.

It is an arithmetic number, because the mean of its divisors is an integer number (2430536668560).

Almost surely, 2^{20112023200221} is an apocalyptic number.

It is an amenable number.

20112023200221 is a deficient number, since it is larger than the sum of its proper divisors (9054416822499).

20112023200221 is a wasteful number, since it uses less digits than its factorization.

20112023200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903064976 (or 8903064973 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20112023200221 its reverse (12200232021102), we get a palindrome (32312255221323).

The spelling of 20112023200221 in words is "twenty trillion, one hundred twelve billion, twenty-three million, two hundred thousand, two hundred twenty-one".