20343121036234 has 32 divisors (see below), whose sum is σ = 32842298361600. Its totient is φ = 9416663069952.

The previous prime is 20343121036213. The next prime is 20343121036253. The reversal of 20343121036234 is 43263012134302.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 20343121036234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18971494 + ... + 20015089.

It is an arithmetic number, because the mean of its divisors is an integer number (1026321823800).

Almost surely, 2^{20343121036234} is an apocalyptic number.

20343121036234 is a deficient number, since it is larger than the sum of its proper divisors (12499177325366).

20343121036234 is a wasteful number, since it uses less digits than its factorization.

20343121036234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38986854.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 20343121036234 in words is "twenty trillion, three hundred forty-three billion, one hundred twenty-one million, thirty-six thousand, two hundred thirty-four".