20003022221 has 8 divisors (see below), whose sum is σ = 24619104384. Its totient is φ = 15826566960.

The previous prime is 20003022203. The next prime is 20003022233. The reversal of 20003022221 is 12222030002.

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

It is a cyclic number.

It is not a de Polignac number, because 20003022221 - 2²² = 19998827917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003022196 and 20003022205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003022271) 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, 109906625 + ... + 109906806.

It is an arithmetic number, because the mean of its divisors is an integer number (3077388048).

Almost surely, 2^20003022221 is an apocalyptic number.

It is an amenable number.

20003022221 is a deficient number, since it is larger than the sum of its proper divisors (4616082163).

20003022221 is a wasteful number, since it uses less digits than its factorization.

20003022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219813451.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20003022221 its reverse (12222030002), we get a palindrome (32225052223).

The spelling of 20003022221 in words is "twenty billion, three million, twenty-two thousand, two hundred twenty-one".