233021330220 has 48 divisors (see below), whose sum is σ = 745668258048. Its totient is φ = 53262018240.

The previous prime is 233021330153. The next prime is 233021330273. The reversal of 233021330220 is 22033120332.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 277405926 + ... + 277406765.

It is an arithmetic number, because the mean of its divisors is an integer number (15534755376).

Almost surely, 2^233021330220 is an apocalyptic number.

233021330220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233021330220 is an abundant number, since it is smaller than the sum of its proper divisors (512646927828).

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

233021330220 is a wasteful number, since it uses less digits than its factorization.

233021330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554812710 (or 554812708 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 233021330220 its reverse (22033120332), we get a palindrome (255054450552).

The spelling of 233021330220 in words is "two hundred thirty-three billion, twenty-one million, three hundred thirty thousand, two hundred twenty".