220021033209 has 8 divisors (see below), whose sum is σ = 295471891680. Its totient is φ = 145625431776.

The previous prime is 220021033181. The next prime is 220021033229. The reversal of 220021033209 is 902330120022.

220021033209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220021033209 - 2¹³ = 220021025017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220021033229) by changing a digit.

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, 263813772 + ... + 263814605.

It is an arithmetic number, because the mean of its divisors is an integer number (36933986460).

Almost surely, 2^220021033209 is an apocalyptic number.

It is an amenable number.

220021033209 is a deficient number, since it is larger than the sum of its proper divisors (75450858471).

220021033209 is a wasteful number, since it uses less digits than its factorization.

220021033209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527628519.

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 220021033209 in words is "two hundred twenty billion, twenty-one million, thirty-three thousand, two hundred nine".