220493711 has 8 divisors (see below), whose sum is σ = 225016848. Its totient is φ = 216000000.

The previous prime is 220493701. The next prime is 220493719. The reversal of 220493711 is 117394022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220493711 - 2¹⁰ = 220492687 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 (220493719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8111 + ... + 22511.

It is an arithmetic number, because the mean of its divisors is an integer number (28127106).

Almost surely, 2^220493711 is an apocalyptic number.

220493711 is a deficient number, since it is larger than the sum of its proper divisors (4523137).

220493711 is a wasteful number, since it uses less digits than its factorization.

220493711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14713.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 220493711 is about 14849.0306417624. The cubic root of 220493711 is about 604.1323180937.

The spelling of 220493711 in words is "two hundred twenty million, four hundred ninety-three thousand, seven hundred eleven".