1020202341143 has 4 divisors (see below), whose sum is σ = 1020601327800. Its totient is φ = 1019803354488.

The previous prime is 1020202341049. The next prime is 1020202341281. The reversal of 1020202341143 is 3411432020201.

1020202341143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1020202341143 - 2²⁰ = 1020201292567 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 (1020202341643) 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, 199489493 + ... + 199494606.

It is an arithmetic number, because the mean of its divisors is an integer number (255150331950).

Almost surely, 2^{1020202341143} is an apocalyptic number.

1020202341143 is a deficient number, since it is larger than the sum of its proper divisors (398986657).

1020202341143 is an equidigital number, since it uses as much as digits as its factorization.

1020202341143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398986656.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1020202341143 its reverse (3411432020201), we get a palindrome (4431634361344).

The spelling of 1020202341143 in words is "one trillion, twenty billion, two hundred two million, three hundred forty-one thousand, one hundred forty-three".