206620115112 has 128 divisors (see below), whose sum is σ = 575872070400. Its totient is φ = 68642574336.

The previous prime is 206620115077. The next prime is 206620115147. The reversal of 206620115112 is 211511026602.

206620115112 is a `hidden beast` number, since 20 + 6 + 620 + 1 + 1 + 5 + 1 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (206620115077) and next prime (206620115147).

It is a super-2 number, since 2×206620115112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108007468 + ... + 108009380.

It is an arithmetic number, because the mean of its divisors is an integer number (4499000550).

Almost surely, 2^206620115112 is an apocalyptic number.

It is an amenable number.

206620115112 is an abundant number, since it is smaller than the sum of its proper divisors (369251955288).

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

206620115112 is a wasteful number, since it uses less digits than its factorization.

206620115112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344 (or 3334 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 206620115112 in words is "two hundred six billion, six hundred twenty million, one hundred fifteen thousand, one hundred twelve".