20173871300 has 216 divisors, whose sum is σ = 51003110592. Its totient is φ = 6867360000.

The previous prime is 20173871299. The next prime is 20173871317. The reversal of 20173871300 is 317837102.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40106849 + ... + 40107351.

It is an arithmetic number, because the mean of its divisors is an integer number (236125512).

Almost surely, 2^20173871300 is an apocalyptic number.

20173871300 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 20173871300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25501555296).

20173871300 is an abundant number, since it is smaller than the sum of its proper divisors (30829239292).

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

20173871300 is a wasteful number, since it uses less digits than its factorization.

20173871300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 20173871300 in words is "twenty billion, one hundred seventy-three million, eight hundred seventy-one thousand, three hundred".