220046089181 has 2 divisors, whose sum is σ = 220046089182. Its totient is φ = 220046089180.

The previous prime is 220046089139. The next prime is 220046089189. The reversal of 220046089181 is 181980640022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195439147225 + 24606941956 = 442085^2 + 156866^2 .

It is a cyclic number.

It is not a de Polignac number, because 220046089181 - 2¹⁴ = 220046072797 is a prime.

It is a super-2 number, since 2×220046089181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220046089189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110023044590 + 110023044591.

It is an arithmetic number, because the mean of its divisors is an integer number (110023044591).

Almost surely, 2^220046089181 is an apocalyptic number.

It is an amenable number.

220046089181 is a deficient number, since it is larger than the sum of its proper divisors (1).

220046089181 is an equidigital number, since it uses as much as digits as its factorization.

220046089181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 220046089181 in words is "two hundred twenty billion, forty-six million, eighty-nine thousand, one hundred eighty-one".