220752743 has 4 divisors (see below), whose sum is σ = 221632488. Its totient is φ = 219873000.

The previous prime is 220752691. The next prime is 220752751. The reversal of 220752743 is 347257022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220752743 - 2¹⁰ = 220751719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220752043) 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, 439496 + ... + 439997.

It is an arithmetic number, because the mean of its divisors is an integer number (55408122).

Almost surely, 2^220752743 is an apocalyptic number.

220752743 is a deficient number, since it is larger than the sum of its proper divisors (879745).

220752743 is an equidigital number, since it uses as much as digits as its factorization.

220752743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879744.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 220752743 is about 14857.7502671165. The cubic root of 220752743 is about 604.3688000649.

The spelling of 220752743 in words is "two hundred twenty million, seven hundred fifty-two thousand, seven hundred forty-three".