1020442140395 has 8 divisors (see below), whose sum is σ = 1224546977520. Its totient is φ = 816342772960.

The previous prime is 1020442140371. The next prime is 1020442140407. The reversal of 1020442140395 is 5930412440201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020442140395 - 2¹⁰ = 1020442139371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945125 + ... + 1712934.

It is an arithmetic number, because the mean of its divisors is an integer number (153068372190).

Almost surely, 2^{1020442140395} is an apocalyptic number.

1020442140395 is a deficient number, since it is larger than the sum of its proper divisors (204104837125).

1020442140395 is an equidigital number, since it uses as much as digits as its factorization.

1020442140395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734845.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 1020442140395 its reverse (5930412440201), we get a palindrome (6950854580596).

The spelling of 1020442140395 in words is "one trillion, twenty billion, four hundred forty-two million, one hundred forty thousand, three hundred ninety-five".