10066221220220 has 24 divisors (see below), whose sum is σ = 23060797705008. Its totient is φ = 3660444080000.

The previous prime is 10066221220177. The next prime is 10066221220277. The reversal of 10066221220220 is 2202212266001.

It is a self number, because there is not a number n which added to its sum of digits gives 10066221220220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22877775281 + ... + 22877775720.

It is an arithmetic number, because the mean of its divisors is an integer number (960866571042).

Almost surely, 2^{10066221220220} is an apocalyptic number.

10066221220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10066221220220 is an abundant number, since it is smaller than the sum of its proper divisors (12994576484788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10066221220220 is a wasteful number, since it uses less digits than its factorization.

10066221220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45755551021 (or 45755551019 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 10066221220220 its reverse (2202212266001), we get a palindrome (12268433486221).

It can be divided in two parts, 1006 and 6221220220, that added together give a palindrome (6221221226).

The spelling of 10066221220220 in words is "ten trillion, sixty-six billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty".