1020396863 has 8 divisors (see below), whose sum is σ = 1084853088. Its totient is φ = 957614944.

The previous prime is 1020396823. The next prime is 1020396869. The reversal of 1020396863 is 3686930201.

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

It is a cyclic number.

It is not a de Polignac number, because 1020396863 - 2⁸ = 1020396607 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 (1020396869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417320 + ... + 419757.

It is an arithmetic number, because the mean of its divisors is an integer number (135606636).

Almost surely, 2^1020396863 is an apocalyptic number.

1020396863 is a deficient number, since it is larger than the sum of its proper divisors (64456225).

1020396863 is an equidigital number, since it uses as much as digits as its factorization.

1020396863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837153.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 1020396863 is about 31943.6513723776. The cubic root of 1020396863 is about 1006.7532453471.

The spelling of 1020396863 in words is "one billion, twenty million, three hundred ninety-six thousand, eight hundred sixty-three".