220486677 has 8 divisors (see below), whose sum is σ = 295786464. Its totient is φ = 146089008.

The previous prime is 220486649. The next prime is 220486687. The reversal of 220486677 is 776684022.

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

It is not a de Polignac number, because 220486677 - 2⁸ = 220486421 is a prime.

It is a super-2 number, since 2×220486677² = 97228749469004658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220486687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224958 + ... + 225935.

It is an arithmetic number, because the mean of its divisors is an integer number (36973308).

Almost surely, 2^220486677 is an apocalyptic number.

It is an amenable number.

220486677 is a deficient number, since it is larger than the sum of its proper divisors (75299787).

220486677 is a wasteful number, since it uses less digits than its factorization.

220486677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451059.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 220486677 is about 14848.7937893958. The cubic root of 220486677 is about 604.1258938562.

The spelling of 220486677 in words is "two hundred twenty million, four hundred eighty-six thousand, six hundred seventy-seven".