220021222002 has 16 divisors (see below), whose sum is σ = 442500783840. Its totient is φ = 72930684032.

The previous prime is 220021221997. The next prime is 220021222013. The reversal of 220021222002 is 200222120022.

220021222002 is digitally balanced in base 2, 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102429663 + ... + 102431810.

It is an arithmetic number, because the mean of its divisors is an integer number (27656298990).

Almost surely, 2^220021222002 is an apocalyptic number.

220021222002 is an abundant number, since it is smaller than the sum of its proper divisors (222479561838).

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

220021222002 is a wasteful number, since it uses less digits than its factorization.

220021222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204861657.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220021222002 its reverse (200222120022), we get a palindrome (420243342024).

The spelling of 220021222002 in words is "two hundred twenty billion, twenty-one million, two hundred twenty-two thousand, two".