9816202080 has 480 divisors, whose sum is σ = 36514291968. Its totient is φ = 2480025600.

The previous prime is 9816202079. The next prime is 9816202103. The reversal of 9816202080 is 802026189.

9816202080 is a `hidden beast` number, since 9 + 8 + 1 + 620 + 20 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

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 79 ways as a sum of consecutive naturals, for example, 21293050 + ... + 21293510.

Almost surely, 2^9816202080 is an apocalyptic number.

9816202080 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 9816202080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18257145984).

9816202080 is an abundant number, since it is smaller than the sum of its proper divisors (26698089888).

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

9816202080 is a wasteful number, since it uses less digits than its factorization.

9816202080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 9816202080 is about 99076.7484327176. The cubic root of 9816202080 is about 2141.1536330890.

The spelling of 9816202080 in words is "nine billion, eight hundred sixteen million, two hundred two thousand, eighty".