323330320020 has 192 divisors, whose sum is σ = 943249950720. Its totient is φ = 82654021632.

The previous prime is 323330320009. The next prime is 323330320031. The reversal of 323330320020 is 20023033323.

It is an interprime number because it is at equal distance from previous prime (323330320009) and next prime (323330320031).

It is a super-2 number, since 2×323330320020² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 295818594 + ... + 295819686.

It is an arithmetic number, because the mean of its divisors is an integer number (4912760160).

Almost surely, 2^323330320020 is an apocalyptic number.

323330320020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323330320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471624975360).

323330320020 is an abundant number, since it is smaller than the sum of its proper divisors (619919630700).

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

323330320020 is a wasteful number, since it uses less digits than its factorization.

323330320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 21.

Adding to 323330320020 its reverse (20023033323), we get a palindrome (343353353343).

The spelling of 323330320020 in words is "three hundred twenty-three billion, three hundred thirty million, three hundred twenty thousand, twenty".