220412066 has 16 divisors (see below), whose sum is σ = 386637504. Its totient is φ = 92265264.

The previous prime is 220412063. The next prime is 220412099. The reversal of 220412066 is 660214022.

220412066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220412063) 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, 182465 + ... + 183668.

It is an arithmetic number, because the mean of its divisors is an integer number (24164844).

Almost surely, 2^220412066 is an apocalyptic number.

220412066 is a deficient number, since it is larger than the sum of its proper divisors (166225438).

220412066 is a wasteful number, since it uses less digits than its factorization.

220412066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366185.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220412066 is about 14846.2812178673. The cubic root of 220412066 is about 604.0577423124.

Adding to 220412066 its reverse (660214022), we get a palindrome (880626088).

The spelling of 220412066 in words is "two hundred twenty million, four hundred twelve thousand, sixty-six".