220020566061 has 8 divisors (see below), whose sum is σ = 297379395520. Its totient is φ = 144671056992.

The previous prime is 220020566011. The next prime is 220020566089. The reversal of 220020566061 is 160665020022.

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

It is a de Polignac number, because none of the positive numbers 2^k-220020566061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020566011) 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, 502329841 + ... + 502330278.

It is an arithmetic number, because the mean of its divisors is an integer number (37172424440).

Almost surely, 2^220020566061 is an apocalyptic number.

It is an amenable number.

220020566061 is a deficient number, since it is larger than the sum of its proper divisors (77358829459).

220020566061 is a wasteful number, since it uses less digits than its factorization.

220020566061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004660195.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 220020566061 its reverse (160665020022), we get a palindrome (380685586083).

The spelling of 220020566061 in words is "two hundred twenty billion, twenty million, five hundred sixty-six thousand, sixty-one".