1020340433 has 8 divisors (see below), whose sum is σ = 1168239552. Its totient is φ = 872975376.

The previous prime is 1020340397. The next prime is 1020340469. The reversal of 1020340433 is 3340430201.

It is an interprime number because it is at equal distance from previous prime (1020340397) and next prime (1020340469).

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

It is not a de Polignac number, because 1020340433 - 2⁸ = 1020340177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020340483) 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, 129410 + ... + 137067.

It is an arithmetic number, because the mean of its divisors is an integer number (146029944).

Almost surely, 2^1020340433 is an apocalyptic number.

It is an amenable number.

1020340433 is a deficient number, since it is larger than the sum of its proper divisors (147899119).

1020340433 is an equidigital number, since it uses as much as digits as its factorization.

1020340433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267031.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1020340433 is about 31942.7680860629. The cubic root of 1020340433 is about 1006.7346865114.

Adding to 1020340433 its reverse (3340430201), we get a palindrome (4360770634).

The spelling of 1020340433 in words is "one billion, twenty million, three hundred forty thousand, four hundred thirty-three".