233230212020 has 96 divisors (see below), whose sum is σ = 538672044960. Its totient is φ = 84304281600.

The previous prime is 233230212013. The next prime is 233230212031. The reversal of 233230212020 is 20212032332.

It can be written as a sum of positive squares in 16 ways, for example, as 67960318864 + 165269893156 = 260692^2 + 406534^2 .

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 = 233230211983 and 233230212001.

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, 2287244 + ... + 2387036.

It is an arithmetic number, because the mean of its divisors is an integer number (5611167135).

Almost surely, 2^233230212020 is an apocalyptic number.

233230212020 is a gapful number since it is divisible by the number (20) 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 233230212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269336022480).

233230212020 is an abundant number, since it is smaller than the sum of its proper divisors (305441832940).

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

233230212020 is a wasteful number, since it uses less digits than its factorization.

233230212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100005 (or 100003 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 233230212020 its reverse (20212032332), we get a palindrome (253442244352).

The spelling of 233230212020 in words is "two hundred thirty-three billion, two hundred thirty million, two hundred twelve thousand, twenty".