220451043 has 4 divisors (see below), whose sum is σ = 293934728. Its totient is φ = 146967360.

The previous prime is 220451039. The next prime is 220451047. The reversal of 220451043 is 340154022.

220451043 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.

It is an interprime number because it is at equal distance from previous prime (220451039) and next prime (220451047).

It is not a de Polignac number, because 220451043 - 2² = 220451039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220451047) 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, 36741838 + ... + 36741843.

It is an arithmetic number, because the mean of its divisors is an integer number (73483682).

Almost surely, 2^220451043 is an apocalyptic number.

220451043 is a deficient number, since it is larger than the sum of its proper divisors (73483685).

220451043 is an equidigital number, since it uses as much as digits as its factorization.

220451043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73483684.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 220451043 is about 14847.5938454687. The cubic root of 220451043 is about 604.0933467923.

The spelling of 220451043 in words is "two hundred twenty million, four hundred fifty-one thousand, forty-three".