220008840601 has 9 divisors (see below), whose sum is σ = 241833570559. Its totient is φ = 200003346400.

The previous prime is 220008840593. The next prime is 220008840631. The reversal of 220008840601 is 106048800022.

The square root of 220008840601 is 469051.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 141451962201 + 78556878400 = 376101^2 + 280280^2 .

It is not a de Polignac number, because 220008840601 - 2³ = 220008840593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220008840631) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5138241 + ... + 5180881.

Almost surely, 2^220008840601 is an apocalyptic number.

220008840601 is the 469051-st square number.

220008840601 is the 234526-th centered octagonal number.

It is an amenable number.

220008840601 is a deficient number, since it is larger than the sum of its proper divisors (21824729958).

220008840601 is an frugal number, since it uses more digits than its factorization.

220008840601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85304 (or 42652 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 220008840601 in words is "two hundred twenty billion, eight million, eight hundred forty thousand, six hundred one".