220116930 has 32 divisors (see below), whose sum is σ = 576307008. Its totient is φ = 53361600.

The previous prime is 220116917. The next prime is 220116943. The reversal of 220116930 is 39611022.

It is an interprime number because it is at equal distance from previous prime (220116917) and next prime (220116943).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220116930.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333181 + ... + 333840.

It is an arithmetic number, because the mean of its divisors is an integer number (18009594).

Almost surely, 2^220116930 is an apocalyptic number.

220116930 is an abundant number, since it is smaller than the sum of its proper divisors (356190078).

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

220116930 is a wasteful number, since it uses less digits than its factorization.

220116930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667042.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 220116930 is about 14836.3381600717. The cubic root of 220116930 is about 603.7880069006.

Adding to 220116930 its reverse (39611022), we get a palindrome (259727952).

The spelling of 220116930 in words is "two hundred twenty million, one hundred sixteen thousand, nine hundred thirty".