1316335020 has 576 divisors, whose sum is σ = 5251018752. Its totient is φ = 241920000.

The previous prime is 1316335019. The next prime is 1316335037. The reversal of 1316335020 is 205336131.

It is a happy number.

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13032970 + ... + 13033070.

It is an arithmetic number, because the mean of its divisors is an integer number (9116352).

Almost surely, 2^1316335020 is an apocalyptic number.

1316335020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316335020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2625509376).

1316335020 is an abundant number, since it is smaller than the sum of its proper divisors (3934683732).

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

1316335020 is a wasteful number, since it uses less digits than its factorization.

1316335020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1316335020 is about 36281.3315632158. The cubic root of 1316335020 is about 1095.9451317392.

The spelling of 1316335020 in words is "one billion, three hundred sixteen million, three hundred thirty-five thousand, twenty".