220930061 has 8 divisors (see below), whose sum is σ = 244410048. Its totient is φ = 198016000.

The previous prime is 220930051. The next prime is 220930093. The reversal of 220930061 is 160039022.

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

It is a cyclic number.

It is not a de Polignac number, because 220930061 - 2²⁶ = 153821197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220930051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140660 + ... + 142221.

It is an arithmetic number, because the mean of its divisors is an integer number (30551256).

Almost surely, 2^220930061 is an apocalyptic number.

It is an amenable number.

220930061 is a deficient number, since it is larger than the sum of its proper divisors (23479987).

220930061 is a wasteful number, since it uses less digits than its factorization.

220930061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282963.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 220930061 is about 14863.7162580561. The cubic root of 220930061 is about 604.5305750066.

Adding to 220930061 its reverse (160039022), we get a palindrome (380969083).

The spelling of 220930061 in words is "two hundred twenty million, nine hundred thirty thousand, sixty-one".