605115220 has 24 divisors (see below), whose sum is σ = 1277136000. Its totient is φ = 240828192.

The previous prime is 605115157. The next prime is 605115223. The reversal of 605115220 is 22511506.

It is a junction number, because it is equal to n+sod(n) for n = 605115191 and 605115200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605115223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72040 + ... + 79999.

It is an arithmetic number, because the mean of its divisors is an integer number (53214000).

Almost surely, 2^605115220 is an apocalyptic number.

It is an amenable number.

605115220 is an abundant number, since it is smaller than the sum of its proper divisors (672020780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605115220 is a wasteful number, since it uses less digits than its factorization.

605115220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152247 (or 152245 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 605115220 is about 24599.0898205604. The cubic root of 605115220 is about 845.8227435938.

Adding to 605115220 its reverse (22511506), we get a palindrome (627626726).

The spelling of 605115220 in words is "six hundred five million, one hundred fifteen thousand, two hundred twenty".