20189132160 has 64 divisors (see below), whose sum is σ = 64352864880. Its totient is φ = 5383768064.

The previous prime is 20189132123. The next prime is 20189132191. The reversal of 20189132160 is 6123198102.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255667 + ... + 5259506.

Almost surely, 2^20189132160 is an apocalyptic number.

20189132160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20189132160 is an abundant number, since it is smaller than the sum of its proper divisors (44163732720).

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

20189132160 is a wasteful number, since it uses less digits than its factorization.

20189132160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10515195 (or 10515183 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 20189132160 in words is "twenty billion, one hundred eighty-nine million, one hundred thirty-two thousand, one hundred sixty".