230542920 has 96 divisors (see below), whose sum is σ = 751603320. Its totient is φ = 61286400.

The previous prime is 230542901. The next prime is 230542927. The reversal of 230542920 is 29245032.

230542920 is a `hidden beast` number, since 2 + 30 + 542 + 92 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 212751396 + 17791524 = 14586^2 + 4218^2 .

It is not an unprimeable number, because it can be changed into a prime (230542927) 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, 143562 + ... + 145158.

Almost surely, 2^230542920 is an apocalyptic number.

230542920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230542920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375801660).

230542920 is an abundant number, since it is smaller than the sum of its proper divisors (521060400).

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

230542920 is a wasteful number, since it uses less digits than its factorization.

230542920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2008 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 230542920 is about 15183.6398798180. The cubic root of 230542920 is about 613.1742800655.

Adding to 230542920 its reverse (29245032), we get a palindrome (259787952).

The spelling of 230542920 in words is "two hundred thirty million, five hundred forty-two thousand, nine hundred twenty".