206674222140 has 96 divisors (see below), whose sum is σ = 643184424960. Its totient is φ = 55096158528.

The previous prime is 206674222123. The next prime is 206674222151. The reversal of 206674222140 is 41222476602.

206674222140 is a `hidden beast` number, since 206 + 6 + 7 + 422 + 21 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 206674222095 and 206674222104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1747977 + ... + 1862463.

It is an arithmetic number, because the mean of its divisors is an integer number (6699837760).

Almost surely, 2^206674222140 is an apocalyptic number.

206674222140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206674222140 is an abundant number, since it is smaller than the sum of its proper divisors (436510202820).

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

206674222140 is a wasteful number, since it uses less digits than its factorization.

206674222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117848 (or 117840 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

Adding to 206674222140 its reverse (41222476602), we get a palindrome (247896698742).

The spelling of 206674222140 in words is "two hundred six billion, six hundred seventy-four million, two hundred twenty-two thousand, one hundred forty".