20341243242 has 24 divisors (see below), whose sum is σ = 44077646340. Its totient is φ = 6779652480.

The previous prime is 20341243229. The next prime is 20341243261. The reversal of 20341243242 is 24234214302.

20341243242 is a `hidden beast` number, since 2 + 0 + 3 + 412 + 4 + 3 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18980297361 + 1360945881 = 137769^2 + 36891^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114642 + ... + 232002.

Almost surely, 2^20341243242 is an apocalyptic number.

20341243242 is an abundant number, since it is smaller than the sum of its proper divisors (23736403098).

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

20341243242 is a wasteful number, since it uses less digits than its factorization.

20341243242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126998 (or 126995 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20341243242 its reverse (24234214302), we get a palindrome (44575457544).

The spelling of 20341243242 in words is "twenty billion, three hundred forty-one million, two hundred forty-three thousand, two hundred forty-two".