220471840466 has 8 divisors (see below), whose sum is σ = 330730941324. Its totient is φ = 110228193360.

The previous prime is 220471840441. The next prime is 220471840471. The reversal of 220471840466 is 664048174022.

220471840466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 161580684841 + 58891155625 = 401971^2 + 242675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3827705 + ... + 3884876.

Almost surely, 2^220471840466 is an apocalyptic number.

220471840466 is a deficient number, since it is larger than the sum of its proper divisors (110259100858).

220471840466 is a wasteful number, since it uses less digits than its factorization.

220471840466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726876.

The product of its (nonzero) digits is 516096, while the sum is 44.

The spelling of 220471840466 in words is "two hundred twenty billion, four hundred seventy-one million, eight hundred forty thousand, four hundred sixty-six".