20717001150 has 96 divisors (see below), whose sum is σ = 54586729440. Its totient is φ = 5189829120.

The previous prime is 20717001083. The next prime is 20717001161. The reversal of 20717001150 is 5110071702.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20717001150.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96592 + ... + 225308.

It is an arithmetic number, because the mean of its divisors is an integer number (568611765).

Almost surely, 2^20717001150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20717001150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27293364720).

20717001150 is an abundant number, since it is smaller than the sum of its proper divisors (33869728290).

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

20717001150 is a wasteful number, since it uses less digits than its factorization.

20717001150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128798 (or 128793 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 24.

Adding to 20717001150 its reverse (5110071702), we get a palindrome (25827072852).

The spelling of 20717001150 in words is "twenty billion, seven hundred seventeen million, one thousand, one hundred fifty".