20175182144 has 168 divisors, whose sum is σ = 45280905120. Its totient is φ = 8903731200.

The previous prime is 20175182039. The next prime is 20175182171. The reversal of 20175182144 is 44128157102.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 41089739 + ... + 41090229.

Almost surely, 2^20175182144 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 20175182144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22640452560).

20175182144 is an abundant number, since it is smaller than the sum of its proper divisors (25105722976).

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

20175182144 is a wasteful number, since it uses less digits than its factorization.

20175182144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The spelling of 20175182144 in words is "twenty billion, one hundred seventy-five million, one hundred eighty-two thousand, one hundred forty-four".