220733673 has 4 divisors (see below), whose sum is σ = 294311568. Its totient is φ = 147155780.

The previous prime is 220733647. The next prime is 220733683. The reversal of 220733673 is 376337022.

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 220733673 - 2¹³ = 220725481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220733683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36788943 + ... + 36788948.

It is an arithmetic number, because the mean of its divisors is an integer number (73577892).

Almost surely, 2^220733673 is an apocalyptic number.

It is an amenable number.

220733673 is a deficient number, since it is larger than the sum of its proper divisors (73577895).

220733673 is an equidigital number, since it uses as much as digits as its factorization.

220733673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73577894.

The product of its (nonzero) digits is 31752, while the sum is 33.

The square root of 220733673 is about 14857.1085006471. The cubic root of 220733673 is about 604.3513965138.

The spelling of 220733673 in words is "two hundred twenty million, seven hundred thirty-three thousand, six hundred seventy-three".