220823843884 has 24 divisors (see below), whose sum is σ = 441685287680. Its totient is φ = 94630733136.

The previous prime is 220823843857. The next prime is 220823843951. The reversal of 220823843884 is 488348328022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5119 + ... + 664585.

Almost surely, 2^220823843884 is an apocalyptic number.

It is an amenable number.

220823843884 is an abundant number, since it is smaller than the sum of its proper divisors (220861443796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220823843884 is a wasteful number, since it uses less digits than its factorization.

220823843884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671437 (or 671435 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 220823843884 in words is "two hundred twenty billion, eight hundred twenty-three million, eight hundred forty-three thousand, eight hundred eighty-four".