1020342202144 has 24 divisors (see below), whose sum is σ = 2011281825420. Its totient is φ = 509540468736.

The previous prime is 1020342202133. The next prime is 1020342202151. The reversal of 1020342202144 is 4412022430201.

It can be written as a sum of positive squares in 2 ways, for example, as 985230937744 + 35111264400 = 992588^2 + 187380^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19680969 + ... + 19732744.

Almost surely, 2^{1020342202144} is an apocalyptic number.

It is an amenable number.

1020342202144 is a deficient number, since it is larger than the sum of its proper divisors (990939623276).

1020342202144 is an equidigital number, since it uses as much as digits as its factorization.

1020342202144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39414532 (or 39414524 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1020342202144 its reverse (4412022430201), we get a palindrome (5432364632345).

The spelling of 1020342202144 in words is "one trillion, twenty billion, three hundred forty-two million, two hundred two thousand, one hundred forty-four".