229789927980 has 72 divisors (see below), whose sum is σ = 721064962800. Its totient is φ = 59164301952.

The previous prime is 229789927963. The next prime is 229789927981. The reversal of 229789927980 is 89729987922.

It is a super-2 number, since 2×229789927980² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 229789927899 and 229789927908.

It is not an unprimeable number, because it can be changed into a prime (229789927981) 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 23 ways as a sum of consecutive naturals, for example, 22005310 + ... + 22015749.

It is an arithmetic number, because the mean of its divisors is an integer number (10014791150).

Almost surely, 2^229789927980 is an apocalyptic number.

229789927980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

229789927980 is an abundant number, since it is smaller than the sum of its proper divisors (491275034820).

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

229789927980 is a wasteful number, since it uses less digits than its factorization.

229789927980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44021103 (or 44021098 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 72.

The spelling of 229789927980 in words is "two hundred twenty-nine billion, seven hundred eighty-nine million, nine hundred twenty-seven thousand, nine hundred eighty".