2043311203220 has 288 divisors, whose sum is σ = 5386019788800. Its totient is φ = 637065953280.

The previous prime is 2043311203211. The next prime is 2043311203249. The reversal of 2043311203220 is 223021133402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1315717964 + ... + 1315719516.

It is an arithmetic number, because the mean of its divisors is an integer number (18701457600).

Almost surely, 2^{2043311203220} is an apocalyptic number.

2043311203220 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 2043311203220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2693009894400).

2043311203220 is an abundant number, since it is smaller than the sum of its proper divisors (3342708585580).

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

2043311203220 is a wasteful number, since it uses less digits than its factorization.

2043311203220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683 (or 2664 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2043311203220 its reverse (223021133402), we get a palindrome (2266332336622).

The spelling of 2043311203220 in words is "two trillion, forty-three billion, three hundred eleven million, two hundred three thousand, two hundred twenty".