206677480 has 32 divisors (see below), whose sum is σ = 467892000. Its totient is φ = 82161216.

The previous prime is 206677477. The next prime is 206677487. The reversal of 206677480 is 84776602.

206677480 is nontrivially palindromic in base 9.

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

It is not an unprimeable number, because it can be changed into a prime (206677487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9330 + ... + 22369.

It is an arithmetic number, because the mean of its divisors is an integer number (14621625).

Almost surely, 2^206677480 is an apocalyptic number.

206677480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206677480 is an abundant number, since it is smaller than the sum of its proper divisors (261214520).

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

206677480 is a wasteful number, since it uses less digits than its factorization.

206677480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31873 (or 31869 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 206677480 is about 14376.2818558903. The cubic root of 206677480 is about 591.2407862542.

The spelling of 206677480 in words is "two hundred six million, six hundred seventy-seven thousand, four hundred eighty".