20414355504143 has 4 divisors (see below), whose sum is σ = 20595013517568. Its totient is φ = 20233697490720.

The previous prime is 20414355504133. The next prime is 20414355504161. The reversal of 20414355504143 is 34140555341402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20414355504143 - 2²⁰ = 20414354455567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20414355504143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20414355504133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90329006543 + ... + 90329006768.

It is an arithmetic number, because the mean of its divisors is an integer number (5148753379392).

Almost surely, 2^{20414355504143} is an apocalyptic number.

20414355504143 is a deficient number, since it is larger than the sum of its proper divisors (180658013425).

20414355504143 is a wasteful number, since it uses less digits than its factorization.

20414355504143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180658013424.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 20414355504143 in words is "twenty trillion, four hundred fourteen billion, three hundred fifty-five million, five hundred four thousand, one hundred forty-three".