16220154145320 has 192 divisors, whose sum is σ = 52954569691920. Its totient is φ = 4305787379712.

The previous prime is 16220154145301. The next prime is 16220154145357. The reversal of 16220154145320 is 2354145102261.

16220154145320 is a `hidden beast` number, since 1 + 6 + 2 + 201 + 5 + 414 + 5 + 32 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 9958859046756 + 6261295098564 = 3155766^2 + 2502258^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108919552 + ... + 109068368.

Almost surely, 2^{16220154145320} is an apocalyptic number.

16220154145320 is a gapful number since it is divisible by the number (10) 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 16220154145320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26477284845960).

16220154145320 is an abundant number, since it is smaller than the sum of its proper divisors (36734415546600).

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

16220154145320 is a wasteful number, since it uses less digits than its factorization.

16220154145320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150204 (or 150197 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 16220154145320 its reverse (2354145102261), we get a palindrome (18574299247581).

The spelling of 16220154145320 in words is "sixteen trillion, two hundred twenty billion, one hundred fifty-four million, one hundred forty-five thousand, three hundred twenty".