230220513 has 24 divisors (see below), whose sum is σ = 336460800. Its totient is φ = 151683840.

The previous prime is 230220491. The next prime is 230220533. The reversal of 230220513 is 315022032.

It is not a de Polignac number, because 230220513 - 2⁵ = 230220481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230220533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341745 + ... + 342417.

It is an arithmetic number, because the mean of its divisors is an integer number (14019200).

Almost surely, 2^230220513 is an apocalyptic number.

It is an amenable number.

230220513 is a deficient number, since it is larger than the sum of its proper divisors (106240287).

230220513 is a wasteful number, since it uses less digits than its factorization.

230220513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 230220513 is about 15173.0192446988. The cubic root of 230220513 is about 612.8883117564. Note that the first 3 decimals are identical.

Adding to 230220513 its reverse (315022032), we get a palindrome (545242545).

The spelling of 230220513 in words is "two hundred thirty million, two hundred twenty thousand, five hundred thirteen".