220206106711 has 12 divisors (see below), whose sum is σ = 225046101960. Its totient is φ = 215468119760.

The previous prime is 220206106693. The next prime is 220206106723. The reversal of 220206106711 is 117601602022.

It is not a de Polignac number, because 220206106711 - 2¹¹ = 220206104663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220206106711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220206106411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11452896 + ... + 11472106.

It is an arithmetic number, because the mean of its divisors is an integer number (18753841830).

Almost surely, 2^220206106711 is an apocalyptic number.

220206106711 is a deficient number, since it is larger than the sum of its proper divisors (4839995249).

220206106711 is an equidigital number, since it uses as much as digits as its factorization.

220206106711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24494 (or 24447 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

Adding to 220206106711 its reverse (117601602022), we get a palindrome (337807708733).

The spelling of 220206106711 in words is "two hundred twenty billion, two hundred six million, one hundred six thousand, seven hundred eleven".