20384049711351 has 16 divisors (see below), whose sum is σ = 27639567043200. Its totient is φ = 13358952387168.

The previous prime is 20384049711349. The next prime is 20384049711371. The reversal of 20384049711351 is 15311794048302.

It is not a de Polignac number, because 20384049711351 - 2¹ = 20384049711349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20384049711351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20384049711301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39133860 + ... + 39651318.

It is an arithmetic number, because the mean of its divisors is an integer number (1727472940200).

Almost surely, 2^{20384049711351} is an apocalyptic number.

20384049711351 is a deficient number, since it is larger than the sum of its proper divisors (7255517331849).

20384049711351 is a wasteful number, since it uses less digits than its factorization.

20384049711351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740078.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 20384049711351 in words is "twenty trillion, three hundred eighty-four billion, forty-nine million, seven hundred eleven thousand, three hundred fifty-one".