20344353161234 has 16 divisors (see below), whose sum is σ = 31613036921856. Its totient is φ = 9809009666400.

The previous prime is 20344353161177. The next prime is 20344353161239. The reversal of 20344353161234 is 43216135344302.

It is a junction number, because it is equal to n+sod(n) for n = 20344353161191 and 20344353161200.

It is not an unprimeable number, because it can be changed into a prime (20344353161239) 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, 583852202 + ... + 583887045.

It is an arithmetic number, because the mean of its divisors is an integer number (1975814807616).

Almost surely, 2^{20344353161234} is an apocalyptic number.

20344353161234 is a deficient number, since it is larger than the sum of its proper divisors (11268683760622).

20344353161234 is a wasteful number, since it uses less digits than its factorization.

20344353161234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167739561.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 20344353161234 in words is "twenty trillion, three hundred forty-four billion, three hundred fifty-three million, one hundred sixty-one thousand, two hundred thirty-four".