220246042641 has 4 divisors (see below), whose sum is σ = 293661390192. Its totient is φ = 146830695092.

The previous prime is 220246042609. The next prime is 220246042649. The reversal of 220246042641 is 146240642022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220246042641 - 2⁵ = 220246042609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220246042649) 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, 36707673771 + ... + 36707673776.

It is an arithmetic number, because the mean of its divisors is an integer number (73415347548).

Almost surely, 2^220246042641 is an apocalyptic number.

It is an amenable number.

220246042641 is a deficient number, since it is larger than the sum of its proper divisors (73415347551).

220246042641 is an equidigital number, since it uses as much as digits as its factorization.

220246042641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73415347550.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 220246042641 its reverse (146240642022), we get a palindrome (366486684663).

The spelling of 220246042641 in words is "two hundred twenty billion, two hundred forty-six million, forty-two thousand, six hundred forty-one".