2116717220 has 48 divisors (see below), whose sum is σ = 4474295280. Its totient is φ = 841150464.

The previous prime is 2116717193. The next prime is 2116717223. The reversal of 2116717220 is 227176112.

It can be written as a sum of positive squares in 8 ways, for example, as 220463104 + 1896254116 = 14848^2 + 43546^2 .

It is not an unprimeable number, because it can be changed into a prime (2116717223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3430352 + ... + 3430968.

It is an arithmetic number, because the mean of its divisors is an integer number (93214485).

Almost surely, 2^2116717220 is an apocalyptic number.

2116717220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2116717220 is an abundant number, since it is smaller than the sum of its proper divisors (2357578060).

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

2116717220 is a wasteful number, since it uses less digits than its factorization.

2116717220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 2116717220 is about 46007.7952090730. The cubic root of 2116717220 is about 1283.9682392030.

The spelling of 2116717220 in words is "two billion, one hundred sixteen million, seven hundred seventeen thousand, two hundred twenty".