20353330610243 has 8 divisors (see below), whose sum is σ = 21652720831440. Its totient is φ = 19065288775680.

The previous prime is 20353330610231. The next prime is 20353330610273. The reversal of 20353330610243 is 34201603335302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20353330610243 - 2⁸ = 20353330609987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20353330610203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2837092958 + ... + 2837100131.

It is an arithmetic number, because the mean of its divisors is an integer number (2706590103930).

Almost surely, 2^{20353330610243} is an apocalyptic number.

20353330610243 is a deficient number, since it is larger than the sum of its proper divisors (1299390221197).

20353330610243 is a wasteful number, since it uses less digits than its factorization.

20353330610243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674193317.

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 20353330610243 its reverse (34201603335302), we get a palindrome (54554933945545).

The spelling of 20353330610243 in words is "twenty trillion, three hundred fifty-three billion, three hundred thirty million, six hundred ten thousand, two hundred forty-three".