220748060881 has 2 divisors, whose sum is σ = 220748060882. Its totient is φ = 220748060880.

The previous prime is 220748060873. The next prime is 220748060903. The reversal of 220748060881 is 188060847022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119843361856 + 100904699025 = 346184^2 + 317655^2 .

It is a cyclic number.

It is not a de Polignac number, because 220748060881 - 2³ = 220748060873 is a prime.

It is a super-3 number, since 3×220748060881³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (220748060081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110374030440 + 110374030441.

It is an arithmetic number, because the mean of its divisors is an integer number (110374030441).

Almost surely, 2^220748060881 is an apocalyptic number.

It is an amenable number.

220748060881 is a deficient number, since it is larger than the sum of its proper divisors (1).

220748060881 is an equidigital number, since it uses as much as digits as its factorization.

220748060881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 220748060881 in words is "two hundred twenty billion, seven hundred forty-eight million, sixty thousand, eight hundred eighty-one".