220887747743 has 4 divisors (see below), whose sum is σ = 237879112968. Its totient is φ = 203896382520.

The previous prime is 220887747733. The next prime is 220887747779. The reversal of 220887747743 is 347747788022.

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 220887747743 - 2⁶ = 220887747679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220887747733) 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, 8495682593 + ... + 8495682618.

It is an arithmetic number, because the mean of its divisors is an integer number (59469778242).

Almost surely, 2^220887747743 is an apocalyptic number.

220887747743 is a deficient number, since it is larger than the sum of its proper divisors (16991365225).

220887747743 is a wasteful number, since it uses less digits than its factorization.

220887747743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16991365224.

The product of its (nonzero) digits is 29503488, while the sum is 59.

The spelling of 220887747743 in words is "two hundred twenty billion, eight hundred eighty-seven million, seven hundred forty-seven thousand, seven hundred forty-three".