655120230 has 16 divisors (see below), whose sum is σ = 1572288624. Its totient is φ = 174698720.

The previous prime is 655120217. The next prime is 655120243. The reversal of 655120230 is 32021556.

655120230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (655120217) and next prime (655120243).

It is a self number, because there is not a number n which added to its sum of digits gives 655120230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10918641 + ... + 10918700.

It is an arithmetic number, because the mean of its divisors is an integer number (98268039).

Almost surely, 2^655120230 is an apocalyptic number.

655120230 is an abundant number, since it is smaller than the sum of its proper divisors (917168394).

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

655120230 is a wasteful number, since it uses less digits than its factorization.

655120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21837351.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 655120230 is about 25595.3165637778. The cubic root of 655120230 is about 868.5076940650.

Adding to 655120230 its reverse (32021556), we get a palindrome (687141786).

The spelling of 655120230 in words is "six hundred fifty-five million, one hundred twenty thousand, two hundred thirty".