20199586000 has 160 divisors (see below), whose sum is σ = 53398725120. Its totient is φ = 7329344000.

The previous prime is 20199585953. The next prime is 20199586051. The reversal of 20199586000 is 68599102.

It is a Harshad number since it is a multiple of its sum of digits (40).

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 31 ways as a sum of consecutive naturals, for example, 15817362 + ... + 15818638.

It is an arithmetic number, because the mean of its divisors is an integer number (333742032).

Almost surely, 2^20199586000 is an apocalyptic number.

20199586000 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 20199586000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26699362560).

20199586000 is an abundant number, since it is smaller than the sum of its proper divisors (33199139120).

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

20199586000 is a wasteful number, since it uses less digits than its factorization.

20199586000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 20199586000 in words is "twenty billion, one hundred ninety-nine million, five hundred eighty-six thousand".