323223220020 has 96 divisors (see below), whose sum is σ = 911039391360. Its totient is φ = 85620602880.

The previous prime is 323223220009. The next prime is 323223220031. The reversal of 323223220020 is 20022322323.

323223220020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (323223220009) and next prime (323223220031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22300936 + ... + 22315424.

It is an arithmetic number, because the mean of its divisors is an integer number (9489993660).

Almost surely, 2^323223220020 is an apocalyptic number.

323223220020 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 323223220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455519695680).

323223220020 is an abundant number, since it is smaller than the sum of its proper divisors (587816171340).

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

323223220020 is a wasteful number, since it uses less digits than its factorization.

323223220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16945 (or 16943 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 323223220020 its reverse (20022322323), we get a palindrome (343245542343).

The spelling of 323223220020 in words is "three hundred twenty-three billion, two hundred twenty-three million, two hundred twenty thousand, twenty".