234243020 has 48 divisors (see below), whose sum is σ = 564883200. Its totient is φ = 80694720.

The previous prime is 234243013. The next prime is 234243067. The reversal of 234243020 is 20342432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 234242983 and 234243001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23840 + ... + 32199.

It is an arithmetic number, because the mean of its divisors is an integer number (11768400).

Almost surely, 2^234243020 is an apocalyptic number.

234243020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234243020 is an abundant number, since it is smaller than the sum of its proper divisors (330640180).

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

234243020 is a wasteful number, since it uses less digits than its factorization.

234243020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56078 (or 56076 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 234243020 is about 15304.9998366547. Note that the first 3 decimals coincide. The cubic root of 234243020 is about 616.4372668369.

Adding to 234243020 its reverse (20342432), we get a palindrome (254585452).

The spelling of 234243020 in words is "two hundred thirty-four million, two hundred forty-three thousand, twenty".