229873355220 has 96 divisors (see below), whose sum is σ = 649310699520. Its totient is φ = 60762291840.

The previous prime is 229873355203. The next prime is 229873355227. The reversal of 229873355220 is 22553378922.

It is a self number, because there is not a number n which added to its sum of digits gives 229873355220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229873355227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3207741 + ... + 3278619.

It is an arithmetic number, because the mean of its divisors is an integer number (6763653120).

Almost surely, 2^229873355220 is an apocalyptic number.

229873355220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229873355220 is an abundant number, since it is smaller than the sum of its proper divisors (419437344300).

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

229873355220 is a wasteful number, since it uses less digits than its factorization.

229873355220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71365 (or 71363 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 229873355220 in words is "two hundred twenty-nine billion, eight hundred seventy-three million, three hundred fifty-five thousand, two hundred twenty".