234315340020 has 144 divisors (see below), whose sum is σ = 714652415568. Its totient is φ = 62142474240.

The previous prime is 234315340009. The next prime is 234315340057. The reversal of 234315340020 is 20043513432.

234315340020 is a `hidden beast` number, since 2 + 3 + 4 + 315 + 340 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2496201444 + 231819138576 = 49962^2 + 481476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28168902 + ... + 28177218.

It is an arithmetic number, because the mean of its divisors is an integer number (4962863997).

Almost surely, 2^234315340020 is an apocalyptic number.

234315340020 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 234315340020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357326207784).

234315340020 is an abundant number, since it is smaller than the sum of its proper divisors (480337075548).

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

234315340020 is a wasteful number, since it uses less digits than its factorization.

234315340020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170 (or 9165 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 234315340020 its reverse (20043513432), we get a palindrome (254358853452).

The spelling of 234315340020 in words is "two hundred thirty-four billion, three hundred fifteen million, three hundred forty thousand, twenty".