235136220 has 96 divisors (see below), whose sum is σ = 726485760. Its totient is φ = 56348160.

The previous prime is 235136219. The next prime is 235136233. The reversal of 235136220 is 22631532.

235136220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56739 + ... + 60741.

It is an arithmetic number, because the mean of its divisors is an integer number (7567560).

Almost surely, 2^235136220 is an apocalyptic number.

235136220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235136220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363242880).

235136220 is an abundant number, since it is smaller than the sum of its proper divisors (491349540).

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

235136220 is a wasteful number, since it uses less digits than its factorization.

235136220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 235136220 is about 15334.1520795902. The cubic root of 235136220 is about 617.2197923327.

Adding to 235136220 its reverse (22631532), we get a palindrome (257767752).

The spelling of 235136220 in words is "two hundred thirty-five million, one hundred thirty-six thousand, two hundred twenty".