2020021025543 has 8 divisors (see below), whose sum is σ = 2021284479648. Its totient is φ = 2018757717504.

The previous prime is 2020021025531. The next prime is 2020021025591. The reversal of 2020021025543 is 3455201200202.

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 2020021025543 - 2⁶ = 2020021025479 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 (2020021025443) 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, 42825230 + ... + 42872372.

It is an arithmetic number, because the mean of its divisors is an integer number (252660559956).

Almost surely, 2^{2020021025543} is an apocalyptic number.

2020021025543 is a deficient number, since it is larger than the sum of its proper divisors (1263454105).

2020021025543 is a wasteful number, since it uses less digits than its factorization.

2020021025543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73033.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 2020021025543 its reverse (3455201200202), we get a palindrome (5475222225745).

The spelling of 2020021025543 in words is "two trillion, twenty billion, twenty-one million, twenty-five thousand, five hundred forty-three".