233321000020 has 24 divisors (see below), whose sum is σ = 496176307200. Its totient is φ = 92147027232.

The previous prime is 233321000009. The next prime is 233321000021. The reversal of 233321000020 is 20000123332.

It is a junction number, because it is equal to n+sod(n) for n = 233320999958 and 233321000003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233321000021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73834180 + ... + 73837339.

It is an arithmetic number, because the mean of its divisors is an integer number (20674012800).

Almost surely, 2^233321000020 is an apocalyptic number.

233321000020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233321000020 is an abundant number, since it is smaller than the sum of its proper divisors (262855307180).

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

233321000020 is a wasteful number, since it uses less digits than its factorization.

233321000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147671607 (or 147671605 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 233321000020 its reverse (20000123332), we get a palindrome (253321123352).

The spelling of 233321000020 in words is "two hundred thirty-three billion, three hundred twenty-one million, twenty", and thus it is an aban number.