229945020 has 24 divisors (see below), whose sum is σ = 643846224. Its totient is φ = 61318656.

The previous prime is 229945013. The next prime is 229945039. The reversal of 229945020 is 20549922.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916149 + ... + 1916268.

It is an arithmetic number, because the mean of its divisors is an integer number (26826926).

Almost surely, 2^229945020 is an apocalyptic number.

229945020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229945020 is an abundant number, since it is smaller than the sum of its proper divisors (413901204).

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

229945020 is a wasteful number, since it uses less digits than its factorization.

229945020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832429 (or 3832427 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 229945020 is about 15163.9381428440. The cubic root of 229945020 is about 612.6437435781.

The spelling of 229945020 in words is "two hundred twenty-nine million, nine hundred forty-five thousand, twenty".