233120220 has 24 divisors (see below), whose sum is σ = 652736784. Its totient is φ = 62165376.

The previous prime is 233120207. The next prime is 233120267. The reversal of 233120220 is 22021332.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 233120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1942609 + ... + 1942728.

It is an arithmetic number, because the mean of its divisors is an integer number (27197366).

Almost surely, 2^233120220 is an apocalyptic number.

233120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233120220 is an abundant number, since it is smaller than the sum of its proper divisors (419616564).

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

233120220 is a wasteful number, since it uses less digits than its factorization.

233120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885349 (or 3885347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 233120220 is about 15268.2749516768. The cubic root of 233120220 is about 615.4507634584.

Adding to 233120220 its reverse (22021332), we get a palindrome (255141552).

The spelling of 233120220 in words is "two hundred thirty-three million, one hundred twenty thousand, two hundred twenty".