1020343329 has 12 divisors (see below), whose sum is σ = 1481468196. Its totient is φ = 676703232.

The previous prime is 1020343277. The next prime is 1020343361. The reversal of 1020343329 is 9233430201.

It is a happy number.

1020343329 is a `hidden beast` number, since 1 + 0 + 203 + 433 + 29 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 687645729 + 332697600 = 26223^2 + 18240^2 .

It is not a de Polignac number, because 1020343329 - 2¹⁶ = 1020277793 is a prime.

It is a super-2 number, since 2×1020343329² = 2082201018069604482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020343369) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 291972 + ... + 295445.

It is an arithmetic number, because the mean of its divisors is an integer number (123455683).

Almost surely, 2^1020343329 is an apocalyptic number.

It is an amenable number.

1020343329 is a deficient number, since it is larger than the sum of its proper divisors (461124867).

1020343329 is a wasteful number, since it uses less digits than its factorization.

1020343329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587616 (or 587613 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 1020343329 is about 31942.8134171053. The cubic root of 1020343329 is about 1006.7356389716.

The spelling of 1020343329 in words is "one billion, twenty million, three hundred forty-three thousand, three hundred twenty-nine".