220002640066 has 8 divisors (see below), whose sum is σ = 360004320144. Its totient is φ = 100001200020.

The previous prime is 220002640051. The next prime is 220002640069. The reversal of 220002640066 is 660046200022.

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

It is not an unprimeable number, because it can be changed into a prime (220002640069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000059980 + ... + 5000060023.

It is an arithmetic number, because the mean of its divisors is an integer number (45000540018).

Almost surely, 2^220002640066 is an apocalyptic number.

220002640066 is a deficient number, since it is larger than the sum of its proper divisors (140001680078).

220002640066 is a wasteful number, since it uses less digits than its factorization.

220002640066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000120016.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 220002640066 its reverse (660046200022), we get a palindrome (880048840088).

It can be divided in two parts, 220002 and 640066, that added together give a palindrome (860068).

The spelling of 220002640066 in words is "two hundred twenty billion, two million, six hundred forty thousand, sixty-six".