220174516872 has 60 divisors (see below), whose sum is σ = 616725970245. Its totient is φ = 73387524096.

The previous prime is 220174516819. The next prime is 220174516921. The reversal of 220174516872 is 278615471022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 219310509636 + 864007236 = 468306^2 + 29394^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331794.

It is a super-2 number, since 2×220174516872² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11935368 + ... + 11953800.

Almost surely, 2^220174516872 is an apocalyptic number.

It is an amenable number.

220174516872 is an abundant number, since it is smaller than the sum of its proper divisors (396551453373).

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

220174516872 is an frugal number, since it uses more digits than its factorization.

220174516872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36884 (or 18438 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

Adding to 220174516872 its reverse (278615471022), we get a palindrome (498789987894).

The spelling of 220174516872 in words is "two hundred twenty billion, one hundred seventy-four million, five hundred sixteen thousand, eight hundred seventy-two".