9605518020 has 648 divisors, whose sum is σ = 37704925440. Its totient is φ = 1966083840.

The previous prime is 9605518019. The next prime is 9605518031. The reversal of 9605518020 is 208155069.

It is a happy number.

9605518020 is a `hidden beast` number, since 9 + 6 + 0 + 551 + 80 + 20 = 666.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 223384119 + ... + 223384161.

Almost surely, 2^9605518020 is an apocalyptic number.

9605518020 is a gapful number since it is divisible by the number (90) 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 9605518020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18852462720).

9605518020 is an abundant number, since it is smaller than the sum of its proper divisors (28099407420).

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

9605518020 is a wasteful number, since it uses less digits than its factorization.

9605518020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 9605518020 is about 98007.7446939781. The cubic root of 9605518020 is about 2125.7242667062.

The spelling of 9605518020 in words is "nine billion, six hundred five million, five hundred eighteen thousand, twenty".