229871020 has 24 divisors (see below), whose sum is σ = 489531168. Its totient is φ = 90652800.

The previous prime is 229871011. The next prime is 229871027. The reversal of 229871020 is 20178922.

It is not an unprimeable number, because it can be changed into a prime (229871027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79521 + ... + 82360.

It is an arithmetic number, because the mean of its divisors is an integer number (20397132).

Almost surely, 2^229871020 is an apocalyptic number.

229871020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229871020 is an abundant number, since it is smaller than the sum of its proper divisors (259660148).

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

229871020 is a wasteful number, since it uses less digits than its factorization.

229871020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161961 (or 161959 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 229871020 is about 15161.4979471027. The cubic root of 229871020 is about 612.5780169954.

The spelling of 229871020 in words is "two hundred twenty-nine million, eight hundred seventy-one thousand, twenty".