1020331364 has 24 divisors (see below), whose sum is σ = 2036047608. Its totient is φ = 443220480.

The previous prime is 1020331357. The next prime is 1020331379. The reversal of 1020331364 is 4631330201.

It can be written as a sum of positive squares in 4 ways, for example, as 155500900 + 864830464 = 12470^2 + 29408^2 .

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 7 ways as a sum of consecutive naturals, for example, 576227 + ... + 577994.

It is an arithmetic number, because the mean of its divisors is an integer number (84835317).

Almost surely, 2^1020331364 is an apocalyptic number.

It is an amenable number.

1020331364 is a deficient number, since it is larger than the sum of its proper divisors (1015716244).

1020331364 is a wasteful number, since it uses less digits than its factorization.

1020331364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154255 (or 1154253 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1020331364 is about 31942.6261287327. The cubic root of 1020331364 is about 1006.7317038128.

Adding to 1020331364 its reverse (4631330201), we get a palindrome (5651661565).

The spelling of 1020331364 in words is "one billion, twenty million, three hundred thirty-one thousand, three hundred sixty-four".