1316332020 has 24 divisors (see below), whose sum is σ = 3685729824. Its totient is φ = 351021856.

The previous prime is 1316331917. The next prime is 1316332037. The reversal of 1316332020 is 202336131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10969374 + ... + 10969493.

It is an arithmetic number, because the mean of its divisors is an integer number (153572076).

Almost surely, 2^1316332020 is an apocalyptic number.

1316332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1316332020 is an abundant number, since it is smaller than the sum of its proper divisors (2369397804).

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

1316332020 is a wasteful number, since it uses less digits than its factorization.

1316332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21938879 (or 21938877 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1316332020 is about 36281.2902196160. The cubic root of 1316332020 is about 1095.9442991654.

Adding to 1316332020 its reverse (202336131), we get a palindrome (1518668151).

It can be divided in two parts, 1316 and 332020, that added together give a triangular number (333336 = T₈₁₆).

The spelling of 1316332020 in words is "one billion, three hundred sixteen million, three hundred thirty-two thousand, twenty".