2120533344 has 120 divisors (see below), whose sum is σ = 6405271488. Its totient is φ = 687709440.

The previous prime is 2120533321. The next prime is 2120533367. The reversal of 2120533344 is 4433350212.

2120533344 is a `hidden beast` number, since 2 + 120 + 533 + 3 + 4 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2120533321) and next prime (2120533367).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 84849 + ... + 106959.

Almost surely, 2^2120533344 is an apocalyptic number.

2120533344 is a gapful number since it is divisible by the number (24) 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 2120533344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3202635744).

2120533344 is an abundant number, since it is smaller than the sum of its proper divisors (4284738144).

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

2120533344 is a wasteful number, since it uses less digits than its factorization.

2120533344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22170 (or 22153 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2120533344 is about 46049.2491143992. The cubic root of 2120533344 is about 1284.7393767594.

Adding to 2120533344 its reverse (4433350212), we get a palindrome (6553883556).

The spelling of 2120533344 in words is "two billion, one hundred twenty million, five hundred thirty-three thousand, three hundred forty-four".