20163375360 has 360 divisors, whose sum is σ = 72475824960. Its totient is φ = 5352542208.

The previous prime is 20163375359. The next prime is 20163375371. The reversal of 20163375360 is 6357336102.

20163375360 is a `hidden beast` number, since 201 + 63 + 37 + 5 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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

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 39 ways as a sum of consecutive naturals, for example, 45515299 + ... + 45515741.

It is an arithmetic number, because the mean of its divisors is an integer number (201321736).

Almost surely, 2^20163375360 is an apocalyptic number.

20163375360 is a gapful number since it is divisible by the number (20) 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 20163375360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36237912480).

20163375360 is an abundant number, since it is smaller than the sum of its proper divisors (52312449600).

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

20163375360 is an equidigital number, since it uses as much as digits as its factorization.

20163375360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 892 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 20163375360 in words is "twenty billion, one hundred sixty-three million, three hundred seventy-five thousand, three hundred sixty".