220677826 has 8 divisors (see below), whose sum is σ = 339090444. Its totient is φ = 107647680.

The previous prime is 220677817. The next prime is 220677839. The reversal of 220677826 is 628776022.

It can be written as a sum of positive squares in 2 ways, for example, as 205893801 + 14784025 = 14349^2 + 3845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1345515 + ... + 1345678.

Almost surely, 2^220677826 is an apocalyptic number.

220677826 is a deficient number, since it is larger than the sum of its proper divisors (118412618).

220677826 is a wasteful number, since it uses less digits than its factorization.

220677826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691236.

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

The square root of 220677826 is about 14855.2289110602. The cubic root of 220677826 is about 604.3004239869.

The spelling of 220677826 in words is "two hundred twenty million, six hundred seventy-seven thousand, eight hundred twenty-six".