1310240020 has 24 divisors (see below), whose sum is σ = 2752573824. Its totient is φ = 523892256.

The previous prime is 1310240003. The next prime is 1310240047. The reversal of 1310240020 is 200420131.

It is a congruent number.

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, 46777 + ... + 69343.

It is an arithmetic number, because the mean of its divisors is an integer number (114690576).

Almost surely, 2^1310240020 is an apocalyptic number.

1310240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310240020 is an abundant number, since it is smaller than the sum of its proper divisors (1442333804).

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

1310240020 is a wasteful number, since it uses less digits than its factorization.

1310240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479 (or 25477 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1310240020 is about 36197.2377399160. The cubic root of 1310240020 is about 1094.2510032590.

Adding to 1310240020 its reverse (200420131), we get a palindrome (1510660151).

The spelling of 1310240020 in words is "one billion, three hundred ten million, two hundred forty thousand, twenty".