230518620 has 36 divisors (see below), whose sum is σ = 699240360. Its totient is φ = 61471584.

The previous prime is 230518619. The next prime is 230518637. The reversal of 230518620 is 26815032.

230518620 is a `hidden beast` number, since 2 + 30 + 5 + 1 + 8 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640150 + ... + 640509.

Almost surely, 2^230518620 is an apocalyptic number.

230518620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230518620 is an abundant number, since it is smaller than the sum of its proper divisors (468721740).

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

230518620 is a wasteful number, since it uses less digits than its factorization.

230518620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280674 (or 1280669 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 230518620 is about 15182.8396553477. The cubic root of 230518620 is about 613.1527357640.

The spelling of 230518620 in words is "two hundred thirty million, five hundred eighteen thousand, six hundred twenty".