1020342202143 has 48 divisors (see below), whose sum is σ = 1614201039360. Its totient is φ = 571105944640.

The previous prime is 1020342202133. The next prime is 1020342202151. The reversal of 1020342202143 is 3412022430201.

It is a happy number.

It is not a de Polignac number, because 1020342202143 - 2⁶ = 1020342202079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020342202123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1864971 + ... + 2349212.

It is an arithmetic number, because the mean of its divisors is an integer number (33629188320).

Almost surely, 2^{1020342202143} is an apocalyptic number.

1020342202143 is a deficient number, since it is larger than the sum of its proper divisors (593858837217).

1020342202143 is a wasteful number, since it uses less digits than its factorization.

1020342202143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214260 (or 4214249 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1020342202143 its reverse (3412022430201), we get a palindrome (4432364632344).

The spelling of 1020342202143 in words is "one trillion, twenty billion, three hundred forty-two million, two hundred two thousand, one hundred forty-three".