8143317020 has 24 divisors (see below), whose sum is σ = 17110174704. Its totient is φ = 3255572736.

The previous prime is 8143316981. The next prime is 8143317037. The reversal of 8143317020 is 207133418.

It is a super-2 number, since 2×8143317020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71234 + ... + 146153.

It is an arithmetic number, because the mean of its divisors is an integer number (712923946).

Almost surely, 2^8143317020 is an apocalyptic number.

It is an amenable number.

8143317020 is an abundant number, since it is smaller than the sum of its proper divisors (8966857684).

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

8143317020 is a wasteful number, since it uses less digits than its factorization.

8143317020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219269 (or 219267 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 8143317020 is about 90240.3292325554. The cubic root of 8143317020 is about 2011.8724677967.

The spelling of 8143317020 in words is "eight billion, one hundred forty-three million, three hundred seventeen thousand, twenty".