1020002395 has 4 divisors (see below), whose sum is σ = 1224002880. Its totient is φ = 816001912.

The previous prime is 1020002381. The next prime is 1020002419. The reversal of 1020002395 is 5932000201.

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 1020002395 - 2⁷ = 1020002267 is a prime.

It is a super-3 number, since 3×1020002395³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102000235 + ... + 102000244.

It is an arithmetic number, because the mean of its divisors is an integer number (306000720).

Almost surely, 2^1020002395 is an apocalyptic number.

1020002395 is a deficient number, since it is larger than the sum of its proper divisors (204000485).

1020002395 is an equidigital number, since it uses as much as digits as its factorization.

1020002395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204000484.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1020002395 is about 31937.4763405000. The cubic root of 1020002395 is about 1006.6234974227.

Adding to 1020002395 its reverse (5932000201), we get a palindrome (6952002596).

The spelling of 1020002395 in words is "one billion, twenty million, two thousand, three hundred ninety-five".