2020401542543 has 8 divisors (see below), whose sum is σ = 2055902449536. Its totient is φ = 1984977396000.

The previous prime is 2020401542539. The next prime is 2020401542557. The reversal of 2020401542543 is 3452451040202.

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 2020401542543 - 2² = 2020401542539 is a prime.

It is a super-2 number, since 2×2020401542543² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020401542563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19137008 + ... + 19242293.

It is an arithmetic number, because the mean of its divisors is an integer number (256987806192).

Almost surely, 2^{2020401542543} is an apocalyptic number.

2020401542543 is a deficient number, since it is larger than the sum of its proper divisors (35500906993).

2020401542543 is an equidigital number, since it uses as much as digits as its factorization.

2020401542543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38380225.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 2020401542543 its reverse (3452451040202), we get a palindrome (5472852582745).

The spelling of 2020401542543 in words is "two trillion, twenty billion, four hundred one million, five hundred forty-two thousand, five hundred forty-three".