229689020 has 24 divisors (see below), whose sum is σ = 526197168. Its totient is φ = 83523200.

The previous prime is 229689001. The next prime is 229689059. The reversal of 229689020 is 20986922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521801 + ... + 522240.

It is an arithmetic number, because the mean of its divisors is an integer number (21924882).

Almost surely, 2^229689020 is an apocalyptic number.

229689020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229689020 is an abundant number, since it is smaller than the sum of its proper divisors (296508148).

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

229689020 is a wasteful number, since it uses less digits than its factorization.

229689020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044061 (or 1044059 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 229689020 is about 15155.4947131395. The cubic root of 229689020 is about 612.4163050988.

The spelling of 229689020 in words is "two hundred twenty-nine million, six hundred eighty-nine thousand, twenty".