220016973 has 8 divisors (see below), whose sum is σ = 320024736. Its totient is φ = 133343600.

The previous prime is 220016971. The next prime is 220016977. The reversal of 220016973 is 379610022.

220016973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 220016973 - 2¹ = 220016971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220016973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220016971) 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, 3333558 + ... + 3333623.

It is an arithmetic number, because the mean of its divisors is an integer number (40003092).

Almost surely, 2^220016973 is an apocalyptic number.

It is an amenable number.

220016973 is a deficient number, since it is larger than the sum of its proper divisors (100007763).

220016973 is a wasteful number, since it uses less digits than its factorization.

220016973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6667195.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 220016973 is about 14832.9691228695. The cubic root of 220016973 is about 603.6965979455.

Adding to 220016973 its reverse (379610022), we get a palindrome (599626995).

The spelling of 220016973 in words is "two hundred twenty million, sixteen thousand, nine hundred seventy-three".