235011220 has 12 divisors (see below), whose sum is σ = 493523604. Its totient is φ = 94004480.

The previous prime is 235011191. The next prime is 235011241. The reversal of 235011220 is 22110532.

It can be written as a sum of positive squares in 2 ways, for example, as 40297104 + 194714116 = 6348^2 + 13954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 235011194 and 235011203.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5875261 + ... + 5875300.

It is an arithmetic number, because the mean of its divisors is an integer number (41126967).

Almost surely, 2^235011220 is an apocalyptic number.

235011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235011220 is an abundant number, since it is smaller than the sum of its proper divisors (258512384).

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

235011220 is a wasteful number, since it uses less digits than its factorization.

235011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750570 (or 11750568 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 235011220 is about 15330.0756684369. The cubic root of 235011220 is about 617.1104002114.

Adding to 235011220 its reverse (22110532), we get a palindrome (257121752).

The spelling of 235011220 in words is "two hundred thirty-five million, eleven thousand, two hundred twenty".