220220101481 has 2 divisors, whose sum is σ = 220220101482. Its totient is φ = 220220101480.

The previous prime is 220220101477. The next prime is 220220101499. The reversal of 220220101481 is 184101022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220167408400 + 52693081 = 469220^2 + 7259^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220101481 - 2² = 220220101477 is a prime.

It is a super-2 number, since 2×220220101481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220220101441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110050740 + 110110050741.

It is an arithmetic number, because the mean of its divisors is an integer number (110110050741).

Almost surely, 2^220220101481 is an apocalyptic number.

It is an amenable number.

220220101481 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220101481 is an equidigital number, since it uses as much as digits as its factorization.

220220101481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 220220101481 in words is "two hundred twenty billion, two hundred twenty million, one hundred one thousand, four hundred eighty-one".