2011333223220 has 24 divisors (see below), whose sum is σ = 5631733025184. Its totient is φ = 536355526176.

The previous prime is 2011333223161. The next prime is 2011333223227. The reversal of 2011333223220 is 223223331102.

It is a super-2 number, since 2×2011333223220² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011333223227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16761110134 + ... + 16761110253.

It is an arithmetic number, because the mean of its divisors is an integer number (234655542716).

Almost surely, 2^{2011333223220} is an apocalyptic number.

2011333223220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011333223220 is an abundant number, since it is smaller than the sum of its proper divisors (3620399801964).

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

2011333223220 is a wasteful number, since it uses less digits than its factorization.

2011333223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33522220399 (or 33522220397 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2011333223220 its reverse (223223331102), we get a palindrome (2234556554322).

The spelling of 2011333223220 in words is "two trillion, eleven billion, three hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty".