220338539 has 4 divisors (see below), whose sum is σ = 220810824. Its totient is φ = 219866256.

The previous prime is 220338529. The next prime is 220338557. The reversal of 220338539 is 935833022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220338539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220338499 and 220338508.

It is not an unprimeable number, because it can be changed into a prime (220338529) 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, 235442 + ... + 236375.

It is an arithmetic number, because the mean of its divisors is an integer number (55202706).

Almost surely, 2^220338539 is an apocalyptic number.

220338539 is a deficient number, since it is larger than the sum of its proper divisors (472285).

220338539 is an equidigital number, since it uses as much as digits as its factorization.

220338539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472284.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 220338539 is about 14843.8047346359. The cubic root of 220338539 is about 603.9905658731.

The spelling of 220338539 in words is "two hundred twenty million, three hundred thirty-eight thousand, five hundred thirty-nine".