323133100220 has 48 divisors (see below), whose sum is σ = 778847928768. Its totient is φ = 110312993280.

The previous prime is 323133100219. The next prime is 323133100237. The reversal of 323133100220 is 22001331323.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 323133100192 and 323133100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4920371 + ... + 4985610.

It is an arithmetic number, because the mean of its divisors is an integer number (16225998516).

Almost surely, 2^323133100220 is an apocalyptic number.

It is an amenable number.

323133100220 is an abundant number, since it is smaller than the sum of its proper divisors (455714828548).

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

323133100220 is a wasteful number, since it uses less digits than its factorization.

323133100220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906230 (or 9906228 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 323133100220 its reverse (22001331323), we get a palindrome (345134431543).

The spelling of 323133100220 in words is "three hundred twenty-three billion, one hundred thirty-three million, one hundred thousand, two hundred twenty".