220613830 has 8 divisors (see below), whose sum is σ = 397104912. Its totient is φ = 88245528.

The previous prime is 220613821. The next prime is 220613831. The reversal of 220613830 is 38316022.

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 = 220613795 and 220613804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220613831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11030682 + ... + 11030701.

It is an arithmetic number, because the mean of its divisors is an integer number (49638114).

Almost surely, 2^220613830 is an apocalyptic number.

220613830 is a deficient number, since it is larger than the sum of its proper divisors (176491082).

220613830 is a wasteful number, since it uses less digits than its factorization.

220613830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061390.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 220613830 is about 14853.0747658524. The cubic root of 220613830 is about 604.2420031514.

Adding to 220613830 its reverse (38316022), we get a palindrome (258929852).

The spelling of 220613830 in words is "two hundred twenty million, six hundred thirteen thousand, eight hundred thirty".