228330653820 has 48 divisors (see below), whose sum is σ = 639346733088. Its totient is φ = 60886183680.

The previous prime is 228330653819. The next prime is 228330653849. The reversal of 228330653820 is 28356033822.

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 15 ways as a sum of consecutive naturals, for example, 3215742 + ... + 3285978.

It is an arithmetic number, because the mean of its divisors is an integer number (13319723606).

Almost surely, 2^228330653820 is an apocalyptic number.

228330653820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228330653820 is an abundant number, since it is smaller than the sum of its proper divisors (411016079268).

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

228330653820 is a wasteful number, since it uses less digits than its factorization.

228330653820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124430 (or 124428 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 228330653820 in words is "two hundred twenty-eight billion, three hundred thirty million, six hundred fifty-three thousand, eight hundred twenty".