234040220 has 12 divisors (see below), whose sum is σ = 491484504. Its totient is φ = 93616080.

The previous prime is 234040199. The next prime is 234040231. The reversal of 234040220 is 22040432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5850986 + ... + 5851025.

It is an arithmetic number, because the mean of its divisors is an integer number (40957042).

Almost surely, 2^234040220 is an apocalyptic number.

234040220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234040220 is an abundant number, since it is smaller than the sum of its proper divisors (257444284).

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

234040220 is a wasteful number, since it uses less digits than its factorization.

234040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702020 (or 11702018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 234040220 is about 15298.3731161192. The cubic root of 234040220 is about 616.2593183504.

Adding to 234040220 its reverse (22040432), we get a palindrome (256080652).

The spelling of 234040220 in words is "two hundred thirty-four million, forty thousand, two hundred twenty".