2133220233320 has 128 divisors (see below), whose sum is σ = 5315675621760. Its totient is φ = 763931688960.

The previous prime is 2133220233283. The next prime is 2133220233341. The reversal of 2133220233320 is 233320223312.

It is a self number, because there is not a number n which added to its sum of digits gives 2133220233320.

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, 145535432 + ... + 145550088.

It is an arithmetic number, because the mean of its divisors is an integer number (41528715795).

Almost surely, 2^{2133220233320} is an apocalyptic number.

2133220233320 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 2133220233320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2657837810880).

2133220233320 is an abundant number, since it is smaller than the sum of its proper divisors (3182455388440).

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

2133220233320 is a wasteful number, since it uses less digits than its factorization.

2133220233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19683 (or 19679 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 2133220233320 its reverse (233320223312), we get a palindrome (2366540456632).

The spelling of 2133220233320 in words is "two trillion, one hundred thirty-three billion, two hundred twenty million, two hundred thirty-three thousand, three hundred twenty".