235117420 has 24 divisors (see below), whose sum is σ = 499698864. Its totient is φ = 92913216.

The previous prime is 235117417. The next prime is 235117433. The reversal of 235117420 is 24711532.

It is a happy number.

235117420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69159 + ... + 72478.

It is an arithmetic number, because the mean of its divisors is an integer number (20820786).

Almost surely, 2^235117420 is an apocalyptic number.

235117420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235117420 is an abundant number, since it is smaller than the sum of its proper divisors (264581444).

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

235117420 is a wasteful number, since it uses less digits than its factorization.

235117420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141729 (or 141727 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 235117420 is about 15333.5390565909. The cubic root of 235117420 is about 617.2033422350.

Adding to 235117420 its reverse (24711532), we get a palindrome (259828952).

The spelling of 235117420 in words is "two hundred thirty-five million, one hundred seventeen thousand, four hundred twenty".