220486231601 has 4 divisors (see below), whose sum is σ = 223506591012. Its totient is φ = 217465872192.

The previous prime is 220486231577. The next prime is 220486231639. The reversal of 220486231601 is 106132684022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59704479025 + 160781752576 = 244345^2 + 400976^2 .

It is a cyclic number.

It is not a de Polignac number, because 220486231601 - 2³⁴ = 203306362417 is a prime.

It is a super-2 number, since 2×220486231601² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220486231001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1510179596 + ... + 1510179741.

It is an arithmetic number, because the mean of its divisors is an integer number (55876647753).

Almost surely, 2^220486231601 is an apocalyptic number.

It is an amenable number.

220486231601 is a deficient number, since it is larger than the sum of its proper divisors (3020359411).

220486231601 is an equidigital number, since it uses as much as digits as its factorization.

220486231601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020359410.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 220486231601 in words is "two hundred twenty billion, four hundred eighty-six million, two hundred thirty-one thousand, six hundred one".