2133344220 has 96 divisors (see below), whose sum is σ = 6894429696. Its totient is φ = 482784000.

The previous prime is 2133344219. The next prime is 2133344233. The reversal of 2133344220 is 224433312.

It is a super-2 number, since 2×2133344220² = 9102315122014816800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17275 + ... + 67565.

It is an arithmetic number, because the mean of its divisors is an integer number (71816976).

Almost surely, 2^2133344220 is an apocalyptic number.

2133344220 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 2133344220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447214848).

2133344220 is an abundant number, since it is smaller than the sum of its proper divisors (4761085476).

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

2133344220 is a wasteful number, since it uses less digits than its factorization.

2133344220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50411 (or 50409 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2133344220 is about 46188.1393866434. The cubic root of 2133344220 is about 1287.3213692540.

Adding to 2133344220 its reverse (224433312), we get a palindrome (2357777532).

It can be divided in two parts, 213 and 3344220, that added together give a palindrome (3344433).

The spelling of 2133344220 in words is "two billion, one hundred thirty-three million, three hundred forty-four thousand, two hundred twenty".