220916830 has 8 divisors (see below), whose sum is σ = 397650312. Its totient is φ = 88366728.

The previous prime is 220916797. The next prime is 220916911. The reversal of 220916830 is 38619022.

220916830 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 220916792 and 220916801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11045832 + ... + 11045851.

It is an arithmetic number, because the mean of its divisors is an integer number (49706289).

Almost surely, 2^220916830 is an apocalyptic number.

220916830 is a deficient number, since it is larger than the sum of its proper divisors (176733482).

220916830 is a wasteful number, since it uses less digits than its factorization.

220916830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22091690.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 220916830 is about 14863.2711742739. The cubic root of 220916830 is about 604.5185067776.

The spelling of 220916830 in words is "two hundred twenty million, nine hundred sixteen thousand, eight hundred thirty".