220648151824 has 45 divisors (see below), whose sum is σ = 437839320519. Its totient is φ = 107718942240.

The previous prime is 220648151819. The next prime is 220648151873. The reversal of 220648151824 is 428151846022.

The square root of 220648151824 is 469732.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80792539 + ... + 80795269.

Almost surely, 2^220648151824 is an apocalyptic number.

220648151824 is the 469732-nd square number.

It is an amenable number.

220648151824 is a deficient number, since it is larger than the sum of its proper divisors (217191168695).

220648151824 is an frugal number, since it uses more digits than its factorization.

220648151824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

Adding to 220648151824 its reverse (428151846022), we get a palindrome (648799997846).

The spelling of 220648151824 in words is "two hundred twenty billion, six hundred forty-eight million, one hundred fifty-one thousand, eight hundred twenty-four".