229135020 has 24 divisors (see below), whose sum is σ = 641578224. Its totient is φ = 61102656.

The previous prime is 229135001. The next prime is 229135021. The reversal of 229135020 is 20531922.

229135020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (229135021) 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 7 ways as a sum of consecutive naturals, for example, 1909399 + ... + 1909518.

It is an arithmetic number, because the mean of its divisors is an integer number (26732426).

Almost surely, 2^229135020 is an apocalyptic number.

229135020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229135020 is an abundant number, since it is smaller than the sum of its proper divisors (412443204).

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

229135020 is a wasteful number, since it uses less digits than its factorization.

229135020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818929 (or 3818927 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 229135020 is about 15137.2064794004. The cubic root of 229135020 is about 611.9235348099.

Adding to 229135020 its reverse (20531922), we get a palindrome (249666942).

The spelling of 229135020 in words is "two hundred twenty-nine million, one hundred thirty-five thousand, twenty".