220423613 has 8 divisors (see below), whose sum is σ = 223872000. Its totient is φ = 217002240.

The previous prime is 220423603. The next prime is 220423627. The reversal of 220423613 is 316324022.

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 220423613 - 2⁶ = 220423549 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 (220423603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10013 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (27984000).

Almost surely, 2^220423613 is an apocalyptic number.

It is an amenable number.

220423613 is a deficient number, since it is larger than the sum of its proper divisors (3448387).

220423613 is a wasteful number, since it uses less digits than its factorization.

220423613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13507.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 220423613 is about 14846.6700980388. The cubic root of 220423613 is about 604.0682906353.

Adding to 220423613 its reverse (316324022), we get a palindrome (536747635).

The spelling of 220423613 in words is "two hundred twenty million, four hundred twenty-three thousand, six hundred thirteen".