220243013 has 8 divisors (see below), whose sum is σ = 223009536. Its totient is φ = 217494000.

The previous prime is 220242991. The next prime is 220243027. The reversal of 220243013 is 310342022.

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 220243013 - 2⁶ = 220242949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220242982 and 220243000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220243043) 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, 21908 + ... + 30338.

It is an arithmetic number, because the mean of its divisors is an integer number (27876192).

Almost surely, 2^220243013 is an apocalyptic number.

It is an amenable number.

220243013 is a deficient number, since it is larger than the sum of its proper divisors (2766523).

220243013 is a wasteful number, since it uses less digits than its factorization.

220243013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8755.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 220243013 is about 14840.5866797779. The cubic root of 220243013 is about 603.9032681735.

Adding to 220243013 its reverse (310342022), we get a palindrome (530585035).

Subtracting 220243013 from its reverse (310342022), we obtain a palindrome (90099009).

The spelling of 220243013 in words is "two hundred twenty million, two hundred forty-three thousand, thirteen".