220221012004 has 48 divisors (see below), whose sum is σ = 442434400128. Its totient is φ = 93954302208.

The previous prime is 220221011999. The next prime is 220221012019. The reversal of 220221012004 is 400210122022.

220221012004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6758319 + ... + 6790825.

It is an arithmetic number, because the mean of its divisors is an integer number (9217383336).

Almost surely, 2^220221012004 is an apocalyptic number.

It is an amenable number.

220221012004 is an abundant number, since it is smaller than the sum of its proper divisors (222213388124).

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

220221012004 is a wasteful number, since it uses less digits than its factorization.

220221012004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33604 (or 33602 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220221012004 its reverse (400210122022), we get a palindrome (620431134026).

The spelling of 220221012004 in words is "two hundred twenty billion, two hundred twenty-one million, twelve thousand, four".