220146466 has 16 divisors (see below), whose sum is σ = 338988888. Its totient is φ = 107161600.

The previous prime is 220146463. The next prime is 220146503. The reversal of 220146466 is 664641022.

220146466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 124791241 + 95355225 = 11171^2 + 9765^2 .

It is not an unprimeable number, because it can be changed into a prime (220146463) 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, 40146 + ... + 45298.

Almost surely, 2^220146466 is an apocalyptic number.

220146466 is a deficient number, since it is larger than the sum of its proper divisors (118842422).

220146466 is a wasteful number, since it uses less digits than its factorization.

220146466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 220146466 is about 14837.3335205488. Note that the first 3 decimals coincide. The cubic root of 220146466 is about 603.8150117671.

Adding to 220146466 its reverse (664641022), we get a palindrome (884787488).

The spelling of 220146466 in words is "two hundred twenty million, one hundred forty-six thousand, four hundred sixty-six".