2204254321920 has 2016 divisors, whose sum is σ = 9458251891200. Its totient is φ = 491612405760.

The previous prime is 2204254321873. The next prime is 2204254321943. The reversal of 2204254321920 is 291234524022.

2204254321920 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 2 + 543 + 21 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 22724271312 + ... + 22724271408.

It is an arithmetic number, because the mean of its divisors is an integer number (4691593200).

Almost surely, 2^{2204254321920} is an apocalyptic number.

2204254321920 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 2204254321920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4729125945600).

2204254321920 is an abundant number, since it is smaller than the sum of its proper divisors (7253997569280).

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

2204254321920 is an frugal number, since it uses more digits than its factorization.

2204254321920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 2204254321920 its reverse (291234524022), we get a palindrome (2495488845942).

The spelling of 2204254321920 in words is "two trillion, two hundred four billion, two hundred fifty-four million, three hundred twenty-one thousand, nine hundred twenty".