20005151162143 has 8 divisors (see below), whose sum is σ = 23480949626912. Its totient is φ = 16683832629216.

The previous prime is 20005151162123. The next prime is 20005151162147. The reversal of 20005151162143 is 34126115150002.

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

It is a cyclic number.

It is not a de Polignac number, because 20005151162143 - 2¹³ = 20005151153951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005151162147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38619982680 + ... + 38619983197.

It is an arithmetic number, because the mean of its divisors is an integer number (2935118703364).

Almost surely, 2^{20005151162143} is an apocalyptic number.

20005151162143 is a deficient number, since it is larger than the sum of its proper divisors (3475798464769).

20005151162143 is an equidigital number, since it uses as much as digits as its factorization.

20005151162143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77239965921.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 20005151162143 in words is "twenty trillion, five billion, one hundred fifty-one million, one hundred sixty-two thousand, one hundred forty-three".