220259627691 has 4 divisors (see below), whose sum is σ = 293679503592. Its totient is φ = 146839751792.

The previous prime is 220259627641. The next prime is 220259627729. The reversal of 220259627691 is 196726952022.

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

It is a cyclic number.

It is not a de Polignac number, because 220259627691 - 2¹⁰ = 220259626667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220259627641) 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, 36709937946 + ... + 36709937951.

It is an arithmetic number, because the mean of its divisors is an integer number (73419875898).

Almost surely, 2^220259627691 is an apocalyptic number.

220259627691 is a deficient number, since it is larger than the sum of its proper divisors (73419875901).

220259627691 is an equidigital number, since it uses as much as digits as its factorization.

220259627691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73419875900.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 220259627691 in words is "two hundred twenty billion, two hundred fifty-nine million, six hundred twenty-seven thousand, six hundred ninety-one".