220032466 has 8 divisors (see below), whose sum is σ = 330116220. Its totient is φ = 109993728.

The previous prime is 220032443. The next prime is 220032473. The reversal of 220032466 is 664230022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 219899241 + 133225 = 14829^2 + 365^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 220032466.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6690 + ... + 22018.

Almost surely, 2^220032466 is an apocalyptic number.

220032466 is a deficient number, since it is larger than the sum of its proper divisors (110083754).

220032466 is a wasteful number, since it uses less digits than its factorization.

220032466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22508.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 220032466 is about 14833.4913624541. The cubic root of 220032466 is about 603.7107678399.

Adding to 220032466 its reverse (664230022), we get a palindrome (884262488).

The spelling of 220032466 in words is "two hundred twenty million, thirty-two thousand, four hundred sixty-six".