9643204393020 has 192 divisors, whose sum is σ = 32785184678400. Its totient is φ = 2333694136320.

The previous prime is 9643204393007. The next prime is 9643204393049. The reversal of 9643204393020 is 203934023469.

9643204393020 is a `hidden beast` number, since 96 + 432 + 0 + 43 + 93 + 0 + 2 + 0 = 666.

9643204393020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2020591 + ... + 4834169.

It is an arithmetic number, because the mean of its divisors is an integer number (170756170200).

Almost surely, 2^{9643204393020} is an apocalyptic number.

9643204393020 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 9643204393020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16392592339200).

9643204393020 is an abundant number, since it is smaller than the sum of its proper divisors (23141980285380).

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

9643204393020 is a wasteful number, since it uses less digits than its factorization.

9643204393020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2814185 (or 2814177 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

It can be divided in two parts, 9643204 and 393020, that added together give a square (10036224 = 3168²).

The spelling of 9643204393020 in words is "nine trillion, six hundred forty-three billion, two hundred four million, three hundred ninety-three thousand, twenty".