220474829 has 4 divisors (see below), whose sum is σ = 221254176. Its totient is φ = 219695484.

The previous prime is 220474811. The next prime is 220474831. The reversal of 220474829 is 928474022.

220474829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 220474829 - 2²⁰ = 219426253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220474792 and 220474801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220470829) 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, 389249 + ... + 389814.

It is an arithmetic number, because the mean of its divisors is an integer number (55313544).

Almost surely, 2^220474829 is an apocalyptic number.

It is an amenable number.

220474829 is a deficient number, since it is larger than the sum of its proper divisors (779347).

220474829 is an equidigital number, since it uses as much as digits as its factorization.

220474829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779346.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 220474829 is about 14848.3948290716. The cubic root of 220474829 is about 604.1150726252.

The spelling of 220474829 in words is "two hundred twenty million, four hundred seventy-four thousand, eight hundred twenty-nine".