206115894000 has 320 divisors, whose sum is σ = 742216126080. Its totient is φ = 54676684800.

The previous prime is 206115893999. The next prime is 206115894029. The reversal of 206115894000 is 498511602.

206115894000 is a `hidden beast` number, since 20 + 6 + 11 + 589 + 40 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10412112 + ... + 10431888.

It is an arithmetic number, because the mean of its divisors is an integer number (2319425394).

Almost surely, 2^206115894000 is an apocalyptic number.

206115894000 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 206115894000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371108063040).

206115894000 is an abundant number, since it is smaller than the sum of its proper divisors (536100232080).

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

206115894000 is a wasteful number, since it uses less digits than its factorization.

206115894000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20002 (or 19980 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 206115894000 in words is "two hundred six billion, one hundred fifteen million, eight hundred ninety-four thousand".