233206020 has 48 divisors (see below), whose sum is σ = 725531520. Its totient is φ = 62188128.

The previous prime is 233206007. The next prime is 233206021. The reversal of 233206020 is 20602332.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 233205984 and 233206002.

It is not an unprimeable number, because it can be changed into a prime (233206021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215392 + ... + 216471.

It is an arithmetic number, because the mean of its divisors is an integer number (15115240).

Almost surely, 2^233206020 is an apocalyptic number.

233206020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233206020 is an abundant number, since it is smaller than the sum of its proper divisors (492325500).

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

233206020 is a wasteful number, since it uses less digits than its factorization.

233206020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431881 (or 431873 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 233206020 is about 15271.0844408640. The cubic root of 233206020 is about 615.5262598388.

Adding to 233206020 its reverse (20602332), we get a palindrome (253808352).

The spelling of 233206020 in words is "two hundred thirty-three million, two hundred six thousand, twenty".