1331054020 has 12 divisors (see below), whose sum is σ = 2795213484. Its totient is φ = 532421600.

The previous prime is 1331054009. The next prime is 1331054047. The reversal of 1331054020 is 204501331.

It can be written as a sum of positive squares in 2 ways, for example, as 915546564 + 415507456 = 30258^2 + 20384^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33276331 + ... + 33276370.

It is an arithmetic number, because the mean of its divisors is an integer number (232934457).

Almost surely, 2^1331054020 is an apocalyptic number.

1331054020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331054020 is an abundant number, since it is smaller than the sum of its proper divisors (1464159464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331054020 is a wasteful number, since it uses less digits than its factorization.

1331054020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66552710 (or 66552708 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1331054020 is about 36483.6130337992. The cubic root of 1331054020 is about 1100.0148813414.

Adding to 1331054020 its reverse (204501331), we get a palindrome (1535555351).

The spelling of 1331054020 in words is "one billion, three hundred thirty-one million, fifty-four thousand, twenty".