220204666844 has 24 divisors (see below), whose sum is σ = 386273191920. Its totient is φ = 109841094144.

The previous prime is 220204666841. The next prime is 220204666859. The reversal of 220204666844 is 448666402022.

It is a junction number, because it is equal to n+sod(n) for n = 220204666795 and 220204666804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220204666841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4731962 + ... + 4778270.

It is an arithmetic number, because the mean of its divisors is an integer number (16094716330).

Almost surely, 2^220204666844 is an apocalyptic number.

It is an amenable number.

220204666844 is a deficient number, since it is larger than the sum of its proper divisors (166068525076).

220204666844 is a wasteful number, since it uses less digits than its factorization.

220204666844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49109 (or 49107 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 44.

It can be divided in two parts, 22020 and 4666844, that added together give a palindrome (4688864).

The spelling of 220204666844 in words is "two hundred twenty billion, two hundred four million, six hundred sixty-six thousand, eight hundred forty-four".