233833220 has 12 divisors (see below), whose sum is σ = 491049804. Its totient is φ = 93533280.

The previous prime is 233833219. The next prime is 233833267. The reversal of 233833220 is 22338332.

It can be written as a sum of positive squares in 2 ways, for example, as 101445184 + 132388036 = 10072^2 + 11506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 233833220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5845811 + ... + 5845850.

It is an arithmetic number, because the mean of its divisors is an integer number (40920817).

Almost surely, 2^233833220 is an apocalyptic number.

233833220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233833220 is an abundant number, since it is smaller than the sum of its proper divisors (257216584).

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

233833220 is a wasteful number, since it uses less digits than its factorization.

233833220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11691670 (or 11691668 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 233833220 is about 15291.6061942492. The cubic root of 233833220 is about 616.0775784961.

The spelling of 233833220 in words is "two hundred thirty-three million, eight hundred thirty-three thousand, two hundred twenty".