84194350020 has 480 divisors, whose sum is σ = 310403681280. Its totient is φ = 18883549440.

The previous prime is 84194350007. The next prime is 84194350033. The reversal of 84194350020 is 2005349148.

84194350020 is a `hidden beast` number, since 8 + 41 + 94 + 3 + 500 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (84194350007) and next prime (84194350033).

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

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, 14556049 + ... + 14561831.

It is an arithmetic number, because the mean of its divisors is an integer number (646674336).

Almost surely, 2^84194350020 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 84194350020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155201840640).

84194350020 is an abundant number, since it is smaller than the sum of its proper divisors (226209331260).

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

84194350020 is a wasteful number, since it uses less digits than its factorization.

84194350020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5877 (or 5866 counting only the distinct ones).

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

Adding to 84194350020 its reverse (2005349148), we get a palindrome (86199699168).

The spelling of 84194350020 in words is "eighty-four billion, one hundred ninety-four million, three hundred fifty thousand, twenty".