220480829 has 4 divisors (see below), whose sum is σ = 230066976. Its totient is φ = 210894684.

The previous prime is 220480811. The next prime is 220480831. The reversal of 220480829 is 928084022.

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: 928084022 = 2 ⋅464042011.

It is a cyclic number.

It is not a de Polignac number, because 220480829 - 2⁸ = 220480573 is a prime.

It is a super-2 number, since 2×220480829² = 97223591913054482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220480849) 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 3 ways as a sum of consecutive naturals, for example, 4793039 + ... + 4793084.

It is an arithmetic number, because the mean of its divisors is an integer number (57516744).

Almost surely, 2^220480829 is an apocalyptic number.

It is an amenable number.

220480829 is a deficient number, since it is larger than the sum of its proper divisors (9586147).

220480829 is an equidigital number, since it uses as much as digits as its factorization.

220480829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9586146.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 220480829 is about 14848.5968697382. The cubic root of 220480829 is about 604.1205527029.

The spelling of 220480829 in words is "two hundred twenty million, four hundred eighty thousand, eight hundred twenty-nine".