235820236 has 6 divisors (see below), whose sum is σ = 412685420. Its totient is φ = 117910116.

The previous prime is 235820231. The next prime is 235820237. The reversal of 235820236 is 632028532.

It is a super-2 number, since 2×235820236² = 111222367414191392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 235820198 and 235820207.

It is not an unprimeable number, because it can be changed into a prime (235820231) 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 as a sum of consecutive naturals, namely, 29477526 + ... + 29477533.

Almost surely, 2^235820236 is an apocalyptic number.

It is an amenable number.

235820236 is a deficient number, since it is larger than the sum of its proper divisors (176865184).

235820236 is a wasteful number, since it uses less digits than its factorization.

235820236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58955063 (or 58955061 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 235820236 is about 15356.4395613046. The cubic root of 235820236 is about 617.8177145203.

Adding to 235820236 its reverse (632028532), we get a palindrome (867848768).

The spelling of 235820236 in words is "two hundred thirty-five million, eight hundred twenty thousand, two hundred thirty-six".