220474082677 has 4 divisors (see below), whose sum is σ = 220549409856. Its totient is φ = 220398755500.

The previous prime is 220474082659. The next prime is 220474082687. The reversal of 220474082677 is 776280474022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 776280474022 = 2 ⋅388140237011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220474082677 is a prime.

It is a super-2 number, since 2×220474082677² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220474082677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220474082627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37659199 + ... + 37665052.

It is an arithmetic number, because the mean of its divisors is an integer number (55137352464).

Almost surely, 2^220474082677 is an apocalyptic number.

It is an amenable number.

220474082677 is a deficient number, since it is larger than the sum of its proper divisors (75327179).

220474082677 is an equidigital number, since it uses as much as digits as its factorization.

220474082677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75327178.

The product of its (nonzero) digits is 2107392, while the sum is 49.

The spelling of 220474082677 in words is "two hundred twenty billion, four hundred seventy-four million, eighty-two thousand, six hundred seventy-seven".