235130220 has 72 divisors (see below), whose sum is σ = 768099696. Its totient is φ = 57877632.

The previous prime is 235130191. The next prime is 235130221. The reversal of 235130220 is 22031532.

235130220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 235130193 and 235130202.

It is not an unprimeable number, because it can be changed into a prime (235130221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47902 + ... + 52581.

Almost surely, 2^235130220 is an apocalyptic number.

235130220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235130220 is an abundant number, since it is smaller than the sum of its proper divisors (532969476).

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

235130220 is a wasteful number, since it uses less digits than its factorization.

235130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100511 (or 100506 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 235130220 is about 15333.9564366148. The cubic root of 235130220 is about 617.2145423968.

Adding to 235130220 its reverse (22031532), we get a palindrome (257161752).

The spelling of 235130220 in words is "two hundred thirty-five million, one hundred thirty thousand, two hundred twenty".