2101333320 has 128 divisors (see below), whose sum is σ = 7019222400. Its totient is φ = 559173888.

The previous prime is 2101333259. The next prime is 2101333349. The reversal of 2101333320 is 233331012.

2101333320 is a `hidden beast` number, since 2 + 10 + 1 + 333 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2101333293 and 2101333302.

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 31 ways as a sum of consecutive naturals, for example, 588982 + ... + 592538.

It is an arithmetic number, because the mean of its divisors is an integer number (54837675).

Almost surely, 2^2101333320 is an apocalyptic number.

2101333320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101333320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3509611200).

2101333320 is an abundant number, since it is smaller than the sum of its proper divisors (4917889080).

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

2101333320 is a wasteful number, since it uses less digits than its factorization.

2101333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 2101333320 is about 45840.3023550238. The cubic root of 2101333320 is about 1280.8501269850.

Adding to 2101333320 its reverse (233331012), we get a palindrome (2334664332).

The spelling of 2101333320 in words is "two billion, one hundred one million, three hundred thirty-three thousand, three hundred twenty".