8205733380 has 96 divisors (see below), whose sum is σ = 24762665088. Its totient is φ = 2018304000.

The previous prime is 8205733369. The next prime is 8205733409. The reversal of 8205733380 is 833375028.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1245495 + ... + 1252065.

It is an arithmetic number, because the mean of its divisors is an integer number (257944428).

Almost surely, 2^8205733380 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 8205733380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12381332544).

8205733380 is an abundant number, since it is smaller than the sum of its proper divisors (16556931708).

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

8205733380 is a wasteful number, since it uses less digits than its factorization.

8205733380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8197 (or 8195 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 8205733380 is about 90585.5031448189. The cubic root of 8205733380 is about 2016.9995466562. Note that the first 3 decimals are identical.

The spelling of 8205733380 in words is "eight billion, two hundred five million, seven hundred thirty-three thousand, three hundred eighty".