8462509020 has 480 divisors, whose sum is σ = 31664844288. Its totient is φ = 1859334912.

The previous prime is 8462509007. The next prime is 8462509037. The reversal of 8462509020 is 209052648.

It is a happy number.

8462509020 is a `hidden beast` number, since 8 + 4 + 625 + 0 + 9 + 0 + 20 = 666.

It is a super-2 number, since 2×8462509020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 101957899 + ... + 101957981.

Almost surely, 2^8462509020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8462509020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15832422144).

8462509020 is an abundant number, since it is smaller than the sum of its proper divisors (23202335268).

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

8462509020 is an equidigital number, since it uses as much as digits as its factorization.

8462509020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8462509020 is about 91991.8964909410. The cubic root of 8462509020 is about 2037.8226335916.

The spelling of 8462509020 in words is "eight billion, four hundred sixty-two million, five hundred nine thousand, twenty".