220388316249 has 16 divisors (see below), whose sum is σ = 295008480000. Its totient is φ = 146347090176.

The previous prime is 220388316193. The next prime is 220388316287. The reversal of 220388316249 is 942613883022.

It is not a de Polignac number, because 220388316249 - 2²⁴ = 220371539033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220388316198 and 220388316207.

It is not an unprimeable number, because it can be changed into a prime (220388316289) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3961377 + ... + 4016625.

It is an arithmetic number, because the mean of its divisors is an integer number (18438030000).

Almost surely, 2^220388316249 is an apocalyptic number.

It is an amenable number.

220388316249 is a deficient number, since it is larger than the sum of its proper divisors (74620163751).

220388316249 is a wasteful number, since it uses less digits than its factorization.

220388316249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60464.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 220388316249 in words is "two hundred twenty billion, three hundred eighty-eight million, three hundred sixteen thousand, two hundred forty-nine".