20341210243 has 32 divisors (see below), whose sum is σ = 23007188160. Its totient is φ = 17894338560.

The previous prime is 20341210231. The next prime is 20341210259. The reversal of 20341210243 is 34201214302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20341210243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20341210213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1643703 + ... + 1656031.

It is an arithmetic number, because the mean of its divisors is an integer number (718974630).

Almost surely, 2^20341210243 is an apocalyptic number.

20341210243 is a deficient number, since it is larger than the sum of its proper divisors (2665977917).

20341210243 is a wasteful number, since it uses less digits than its factorization.

20341210243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12487.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20341210243 its reverse (34201214302), we get a palindrome (54542424545).

The spelling of 20341210243 in words is "twenty billion, three hundred forty-one million, two hundred ten thousand, two hundred forty-three".