220709169206 has 8 divisors (see below), whose sum is σ = 332322552144.
Its totient is φ = 109934985160.
The previous prime is 220709169193. The next prime is 220709169269. The reversal of 220709169206 is 602961907022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209799065 + ... + 209800116.
It is an arithmetic number, because the mean of its divisors is an integer number (41540319018).
Almost surely, 2220709169206 is an apocalyptic number.
220709169206 is a deficient number, since it is larger than the sum of its proper divisors (111613382938).
220709169206 is a wasteful number, since it uses less digits than its factorization.
220709169206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419599446.
The product of its (nonzero) digits is 163296, while the sum is 44.
The spelling of 220709169206 in words is "two hundred twenty billion, seven hundred nine million, one hundred sixty-nine thousand, two hundred six".